An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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base
  ۱، ۲، ۳، ۴) پایه، ۵) پایگاه، ۶) باز  
1, 2, 3, 4) pâyé (#), 5) pâygâh (#), 6) bâz (#)
Fr.: base  

  1. The bottom support of anything; a fundamental principle or groundwork.

  2. Geometry: The line or surface on which a figure is assumed to stand.

  3. Arithmetic: The number which, raised to various powers, forms the main counting units of a system. Thus 10 is the base of the decimal system.

  4. Logarithm: The number a in the equation N = ax. The base of common logarithm is 10.

  5. A centre of operations or supply, such as a → database.

  6. Chemistry: A substance that reacts with an acid to yield a salt and water.

Etymology (EN): M.E., from O.Fr. bas, from L. basis “foundation,” from Gk. basis “step, pedestal,” from bainein “to step.”

Etymology (PE): Pâyé “base,” from pâ, pây “foot,” from Mid.Pers. pâd, pây;
Av. pad-, cf. Skt. pat: Gk. pos, genitive podos; L. pes; PIE *pod-/*ped-.
Pâygâh, from pâyé + gâh “place” (O.Pers. gāθu-; Av. gātav-, gātu- “place, throne, spot;” cf. Skt. gâtu- “going, motion; free space for moving; place of abode;” PIE *gwem- “to go, come.”
Bâz, loan from Fr., as above.