The 14th day of Ziv is Later Passover, the Second Passover that is held for those who were unavoidably absent from Passover celebrations as well as for those who are considered ritually unclean.

    Ziv (zif, Zif 1 Kings 6:1, 37, "in the month of Zif, which is the second month").
Tropical: Mar. 16-Apr. 14, Gregorian: Apr. 15-May 14, Julian: Apr. 29-May 28.

• Hebrew Ziv, zeev', also ziw, probably from an unused root meaning to be prominent, properly brightness [compare to Heb. ziyv (Chaldean), zeev, (fig.) cheerfulness, brightness, countenance], i.e. (fig.) the month of flowers, corresponds to Ijar or May.
• After the Exile the Hebrew second month of Ziv was replaced by Hebrew Iyar or Iyyar ("month of flowers") the eighth month in the Jewish calendar.
• Akkadian Ajaru, very similar to Ijar.
  • From www.lexiline.com it claims,
    • "On the 1st of Ajjaru, the star cluster MUL.MUL (Pleaides), rises and the Scorpion (GIRTAB) sets, visa versa.
    • Then the rise of the Steer of Heaven GU4.AN.NA (Taurus) is oncoming, and the opposite is the Leopard UD.KA.DUCH.A.
    • On the 20th of Ajjaru the (wooden) tablet GISH.Le occurs."
• Canaanite derivation is "to be bright," "flowers."
  • Bright.
    • Sumerian babbar₍₂₎: bright; white; the rising sun (reduplicated bar₆, 'bright, white').
    • Sumerian bar_6,7: v., to shine, be bright; to break (of the day); adj., white.
      • Sumerian dalla: n., beam, ray; v., to be or make bright; adj., conspicuous; excellent.
      • Sumerian kára, kár: to encircle, besiege; to impute, accuse; to shine, illuminate; to be bright (of light, day) (reduplication class).
      • Sumerian rín: to be/make bright (reduplication class).
      • Sumerian kiš-nu-gál: brightly lit ('the city of Kish' + 'lamps' + 'to have').
      • Sumerian kù-zu: expert, erudite ('bright' + 'to know').
      • Sumerian zalag₍₂₎; zal: n., light, brightness; v., to shine, gleam; to cleanse, purify (often reduplicated); adj., bright, luminous; pure.
      • Sumerian píri : bright.
      • Sumerian sikil: v., to be/make clean, pure (siki, 'hair' ?, + ul, 'to shine'; cf., suku₅, 'to shine brightly', sig₇, 'to create; to make beautiful'); adj., clean, fresh, pure, virgin.
        • Sumerian suku₅: to measure, distribute; to flare up, shine brightly.
      • Sumerian háda, had₍₂₎: v., to shine brightly; to dry; adj., dry; dried (e.g., fish); white.
    • Hebrew bahiyr, baw-here', from an unused root (meaning to be bright), shining, bright.
      • Hebrew 'owr, ore, to be luminous, illumination or luminary, bright.
      • Hebrew 'esheth, eh'-sheth, from Heb. 'ashath, aw-shath', to be sleek, glossy, shine, thus a fabric, bright.
      • Hebrew nogahh, no'-gah, from Heb. nagahh, naw-gah', a primary root to glitter, to illuminate, thus brilliancy, bright (-ness).
  • Flowers.
    • Sumerian nínda, inda: flower; funnel; seeding apparatus of the seeder plow; bushel; breeding bull; fish roe; milt.
      • Sumerian ul: n., bud; flower; ornament; joy, pleasure, satisfaction; a unit of measurement; v., to glitter, shine; adj., remote, distant (in time); ancient, enduring.
      • Sumerian gurun, gurin; girin, girim; gìrim, gírin: fruit; berry; flower (gúr, 'sphere', + an, 'high').
    • Hebrew niddah, nid-daw', from Heb. nadad, naw-dad', a primary root to wave, properly rejection, impurity, moral idolatry, incest, flowers, set apart, unclean.
      • Hebrew nitstsan, nits-tsawn', from Heb. nets, nayts, from Heb. natsats, naw-tsats', a primary root to glare, thus a flower (from its brilliancy), also a hawk (from its flashing speed), blossom, hawk, thus a blossom, flower.
      • Hebrew tsiyts, tseets, or tsits, from Heb. tsuwts, tsoots, a primary root to twinkle, thus properly glistening, i.e. a burnished plate, also a flower (as bright colored).
    • The Shining from the Holy Bible: also seen in Corona Australis and Borealis.
      • Ziz.
        • Hebrew tsits, shining, is a cliff near the West side of the Red Sea on the way from En Gedi to Tekoa.    Jehoshaphat had a miraculous victory over a great horde of Moabite, Ammonites and some Syrian here.
• Ziv begins the dry season, and barley harvesting is completed.

    In the Tablets from pre-Sargonic (before 2334 B.C.) the Calendar of Ur give us nine month names, however their order is not known.    The following is one of those nine names:

• 2) Sumerian iti ezem-mah-dNin-a-zu5-ka, which builds into the Sumerian translation as this
  (iti, month + ezem, festivity + mah, great + dNin-a-zu5-ka, goddess of wisdom),
  which of course is "The Month of the Great Festival of the Goddess of Wisdom."
  • Sumerian itud, itid, itu, iti, id₈; it₄, id₄: moon; month; moonlight (te, 'to approach, meet', + ud, 'sun').
  • Sumerian ezem: festivity.
    • Sumerian èš-èš: a festival (reduplicated 'shrine').
    • Sumerian ezen-mah: great festival ('feast' + 'great').
      • Sumerian ezen: festival, feast (uzu, 'cut of meat', + en, 'time').
    • Sumerian gišbun: (cultic) feast.
    • Sumerian únu: (cf., únug).
    • Sumerian ùnu: feast; chief cowherd.
  • Sumerian mah: v., to be or make large; adj., high, exalted, great, lofty, sublime.
  • Sumerian dNin-a-zu5--ka, (dNin, divine proprietress + a, the + zu₅, wisdom (?) + -ka, genitive), thus meaning "The Goddess of Wisdom."
    • Sumerian nin: queen, mistress, proprietress, lady; lord.
      • Sumerian nin-digir: high priestess ('lady' + 'gods').
      • Sumerian ^dnin-kilim: mongoose ('divine proprietress' + 'herd of wild animals').
      • Sumerian ^dnin-nínna^mušen: owl ('divine proprietress' + 'owl').
    • Gizzida (Gishzida) - the son of Ninazu, was a consort of Belili, doorkeeper of Anu, "The Lord knowing the waters."
      • Another source calls Nin-Azu - god of Eshunna.
      • Sumerian a-zu: physician ('liquids' + 'to know').
    • Sumerian a, e₄: n., water; watercourse, canal; seminal fluid; offspring; father; tears; flood; interj., alas!; prep., locative suffix - where; in; when - denotes movement towards or in favor of a person; def. article, nominalizing suffix for a noun or noun clause, denoting 'the'.
      • Sumerian á: (cf., áhi).
      • Sumerian a₅: (cf., aka).
    • Sumerian zu, sú: n., wisdom; v., to know; to understand; to inform (in marû reduplicated form); to learn from someone (with -da-); to be experienced, qualified; adj., your; pron., yours.
      • Sumerian zú, su₁₁: tooth, teeth; ivory; flint, chert; obsidian; natural glass.
    • Sumerian -ka can be a genitive, or a double genitive.
      • Sumerian ka: mouth.
      • Sumerian ká: gate.
      • Sumerian ka₅-(a): fox.

    The calendar reformed in the Ur III period by Shulgi, king of Sumer from 2094-2047 BC.    Five of the pre-Sargonic month names survived the transition, and the total number of months rose from nine to twelve.    The following is one of the twelve:
    The following Sumerian names is greatly associated with goats, and may have some connection with Orion who has Sumerian star names such as sipa-zi-an-na, "The True Shepherd of Anu," or Auriga who is sometimes called the Shepherd, and star names connected with goat herds, rather than that of Capricornus as the Goat-Fish.

• Sumerian Mash-ku-gu₇: (maš, goat kid, goats, one-half + ku, solid base, found, build, lie down + gu₇, to eat, consume),
  a guess at this would be "The Goat Lies Down to Feed" or "The Goat Found A Place To Eat."
  • Sumerian máš; maš: kid; he-goat.
    • Sumerian máš-anše: animals ('goats' + 'equids').
      • Sumerian máš-da-ri-a; maš-da-rá-a: offering ('goat kid' + 'driven [animal]').
      • Sumerian šu-maš-gíd-gíd, maš-šu-gíd-gíd: diviner ('hand' + 'goat kid' + reduplicated 'to reach out').
    • Sumerian máš; maš: interest (of a loan); rent; profit; yield (of a field).
      • Sumerian maš-gána: settlement ('rent' + 'land').
      • Sumerian máš: n., extispicy; v., to scrutinize, inspect.
    • Sumerian maš: one-half.
      • Sumerian gag-maš: a peg or nail ('peg' + 'one-half').
      • Sumerian maš-dà: (cf., mašda).
    • Sumerian amaš: sheepfold, cattle-pen (é, 'house', + maš, 'goat').
    • Sumerian ùz, ud₅, ut₅: she-goat.
      • Sumerian síg-ud₅: goat's hair ('hair' + 'she-goat').
    • Sumerian ešgar: young she-goat, kid.
    • Sumerian zeh (SAL.ÁŠ.GÀR): female goat-kid.
  • Sumerian ku: to base, found, build; to lie down (reduplication class).
    • Sumerian KU-KU: ancestors (?) ('to found; to lie down').
    • Sumerian ku-li: friend; a capacity measure ('solid base' + 'true measure').
    • Sumerian kú: (cf., gu₇).
    • Sumerian kù: (cf., kug).
    • Sumerian ku₄: (cf., kur₉).
    • Sumerian ku₅: (cf., kud).
    • Sumerian ku₆, kua: fish (kú, 'food', + a, 'water').
      • Sumerian *ha: fish (not the usual word for fish, but the fish sign may get its syllabic reading of HA from *h 'many' + a 'water' = 'fish', an alternative to the usual ku₆, kua).
    • Sumerian ku₇: (cf., kuruš).
    • Sumerian ku₁₀: (cf., gíg).
  • Sumerian gu₇, kú: n., food, sustenance; v., to eat, swallow, consume; to eat up, finish off; to feed, nurse, benefit (with -ni-).
    • Sumerian gíbil: to burn; burning (gu7, 'to consume', + bil, 'to burn').
    • Sumerian ur-bi...gu₇: gather together to finish off ('dogs' + 'its' + 'to eat').

    Sumerian Mashdagu is considered in some sources as the first month of the year.
    If this is the Sumerian maš-da-gu then (mašda, goat kid/maš, goats, one-half + da, side, hold, protect + gu, wool)
possibly meaning "The Goat Kid's Wool" or "The Goats Protect."

• Sumerian maš-dà: (cf., mašda).
  • Seen in words like the Sumerian máš-da-ri-a; maš-da-rá-a: offering ('goat kid' + 'driven [animal]').
  • Sumerian máš; maš: kid; he-goat.
    • Sumerian maš: one-half.
  • Sumerian da: n., arm, side; v., to hold; to be near; to protect; prep., comitative suffix - with.
    • Sumerian da₅: to surround, beset, besiege (cf., dab).
• Sumerian gu: thread; wool yarn; flax; hemp; net; orig. word for needle.
  • Sumerian gú: neck; back of neck = a load = a talent in weight; river bank; edge; front; land; chick pea (cf., gúnu).
  • Sumerian gu_2,4: (cf., gud₍₂₎).
  • Sumerian gù: n., noise, sound; voice; v., to exclaim; to utter a cry (said of an animal).
  • Sumerian gu₇, kú: n., food, sustenance; v., to eat, swallow, consume; to eat up, finish off; to feed, nurse, benefit (with -ni-).

    Or if it is the Sumerian maš-dag-u instead then the (maš, goats, one-half + dag, resting places, dwellings, roam + hà/u, ten/ù, sleep/ú, pasture),
could mean "The Goats Are Sleeping In The Resting Places/Dwellings" or "The Goats Are Roaming in the Pastures."

• Sumerian máš; maš: kid; he-goat.
  • Sumerian maš: one-half.
• Sumerian dag: n., resting-place, dwelling; v., to add; to stretch (out); to roam about.
  • Sumerian dag-gi₄-a: city quarter ('dwellings' + 'to surround, lock up' + nominative).
    • Sumerian dakkan, daggan: harem, living quarters (dag, 'dwelling', + gan, 'to bear').
  • Sumerian gá-la...dag: to cease (doing something) (often with -ta-) ('to be somewhere' + 'resting place').
  • Sumerian šu...dag: to roam about; to run away ('hand' + 'to roam').
  • Sumerian dág: brilliant; pure; clean.
    • Sumerian (^giš)ildag_(2,3): a species of poplar tree (íl, 'to be high; to shine', + dág, 'brilliant').
• Sumerian u: (cf., hà).
  • Sumerian hà, hù, a₆, u: ten (usually written: u).
    • Sumerian uzug, usug: tithe, tenth-part set aside (hà/u, 'ten', + zag, 'outside of').
    • Sumerian ùšu: thirty (eš5,'three', + hà/u,'ten').
    • Sumerian ninnu, ninu: fifty (nimin/nin5, 'forty', + hà/u, 'ten',).
• Sumerian ú: n., plant; vegetable; grass; food; bread; pasture; load; v., to nourish, support; adj., strong, powerful (man).
• Sumerian ù: n., sleep. [according to S. Lieberman, u, ù, and u4 were pronounced /o/] v., to sleep; prep., and; the prospective modal prefix: if; when; after; often used as a polite imperative.
  • Sumerian u_(3,4,8): n., an expression of protest; cries, screams; the grunting, panting of battle; fight dispute; v., to bend over.
  • Sumerian u₄: (cf., ud).
  • Sumerian u₅: n., male bird, cock; totality; v., to mount (in intercourse); to be on top of; to ride; to steer, conduct; adj., (raised) high.
  • Sumerian u₆[IGI.É]: to be impressed (['EYE' + 'HOUSE']).
  • Sumerian u₈: (cf., us₅).
  • Sumerian u₁₈[GIŠGAL]: huge.