An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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smooth
  ۱) هموار؛ ۲) همواریدن، هموار کردن  
1) hamvâr (#); 2) hamvâridan, hamvâr kardan (#)
Fr.: 1) lisse; 2) lisser  
  1. Of a curve, free from bumps or abrupt irregularities.
  2. To modify a sequential set of numerical data by reducing the differences in magnitude between adjacent values.

Etymology (EN): O.E. smoð “free from roughness, not harsh,” of unknown origin.

Etymology (PE): Hamvâr “level, equal, an even place or thing,” from ham- “same, equally, even; together, with” (Mid.Pers. ham-, like L. com- and Gk. syn- with neither of which it is cognate. O.Pers./Av. ham-, Skt. sam-; also O.Pers./Av. hama- “one and the same,” Skt. sama-, Gk. homos-;
originally identical with PIE numeral *sam- “one,” from *som-. The Av. ham- appears in various forms: han- (before gutturals, palatals, dentals) and also hem-, hen-) + -vâr similarity suffix.