An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



retard
  دیرکرد  
dirkard (#)
Fr.: retard  

A slowing down, holding back, or hindrance,

Etymology (EN): M.E., from M.Fr., from
L retardare “to make slow, delay, keep back, hinder,” from → re-, intensive prefix, + tardare “to slow.”

Etymology (PE): Dirkard “delay,” from dir “slowly, tardily; late” (Mid.Pers. dêr, variants dagr, drâz “long;”
(Mod.Pers. derâz “long,” variant Laki, Kurdi derež);
O.Pers. darga- “long;” Av. darəga-, darəγa- “long,” drājištəm “longest;” cf. Skt. dirghá- “long (in space and time);” L. longus “long;” Gk. dolikhos “elongated;” O.H.G., Ger. lang; Goth. laggs “long;” PIE base *dlonghos- “long”)

  • kard past stem of kardan “to do, to make”
    (kâr “work,” varaint kar
    (Mid.Pers. kardan; O.Pers./Av. kar- “to do, make, build;” Av. kərənaoiti “he makes;” cf. Skt. kr- “to do, to make,” krnoti “he makes, he does,” karoti “he makes, he does,” karma “act, deed;” PIE base kwer- “to do, to make”).