An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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rheology
  روانه‌شناسی  
ravâné šenâsi (#)
Fr.: rhéologie  

A branch of physics dealing with the way matter flows and deforms.

Etymology (EN): From rheo- “flow, current, stream,” from Gk. rheos “stream,” cognate with Pers. rud “river,” → Eridanus, +
→ -logy.

Etymology (PE): Ravâné, from ravân “flowing, running,” pr.p. of raftan “to go, walk; to flow;” (Mid.Pers. raftan, raw-, Proto-Iranian *rab/f- “to go; to attack”) + šenâsi, → -logy.