An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



flex
  چفتیدن، چفتن  
caftidan, caftan
Fr.:  
  1. To bend or be bent.

    1. Of a material, to be capable of warping or bending and then reverting to shape (OxfordDictionaries.com).

Etymology (EN): Probably a back-formation from → flexible, from L. flexus, p.p. of flectere “to bend, turn.”

Etymology (PE): Caftidan, caftan “to bend, incline,” cafté “curved, bent,” of unknown origin.