An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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integral
  ۱) درست؛ ۲) دُرُستال  
1) dorost; 2) dorostâl
Fr.: 1) intégral; 2) intégrale  
  1. Consisting of whole numbers or integers.
  2. Mathematical function obtained by the process of → integration.

Etymology (EN): Integral, from M.Fr. intégral, from M.L. integralis “forming a whole,” → integer “whole.”

Etymology (PE): 1) Dorostâl, from dorost “whole, complete; healthy; right,” related to dorud “benediction, praise, thanksgiving,” from
Mid.Pers. drust “whole; healthy; well, right,” drôd “health, thriving;” O.Pers. duruva- “firm, certain, immune;” Av. druua- “healthy;” cf. Skt. dhruvá- “fixed, firm, immovable, lasting, certain;” Russ. zdorovyjj “healthy;” See also → sound.

  1. Dorostâl, from dorost + -âl, → -al.