גמא

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Hebrew

Noun

גָּמָא (gámaf

  1. gamma (the third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ))
  2. (Mishnaic Hebrew) (usually with כמין) L-shaped, the form of a capital Greek gamma, the semiperimeter of a rectangular item.
    • a. 217 C.E., Mishnah, Middot 3:1:
      וּכְשֶׁעָלוּ בְנֵי הַגּוֹלָה, הוֹסִיפוּ עָלָיו אַרְבַּע אַמּוֹת מִן הַדָּרוֹם וְאַרְבַּע אַמּוֹת מִן הַמַּעֲרָב, כְּמִין גַּמָּא
      U-k-she-'alu vnei ha-golah, hosífu 'alav arba' ammot min ha-darom v-arba' ammot min ha-ma'arav, k-min gamma.
      t-And when the children of exile returned, they added to it four cubits from the south and four cubits from the west, in an L shape.
    • a. 500 C.E., Babylonian Talmud, Bava Metzi'a 28a:
      מִדַּת אָרְכּוֹ וּמִדַּת רָחְבּוֹ וּמִדַּת גַּמָּיו יִנָּתֵן לְמִדַּת אָרְכּוֹ וְרָחְבּוֹ
      Middat orko u-middat roḥbo u-middat gammav, yinnaten l-middat orko v-roḥbo.
      If one claimant knows its length and its width separately, and the other knows its semiperimeter, it is given to the one who knows its length and its width separately.