An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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prism
  منشور  
manšur (#)
Fr.: prisme  

Optics:
A transparent solid body, having at least two polished plane faces inclined relative to each other, from which light is reflected or through which light is refracted.
Geometry: A solid having two faces lying in parallel planes and with the other faces parallelograms.

Etymology (EN): L.L. prisma, from Gk. prisma, literally “something sawed,” from prizein “to saw.”

Etymology (PE): Manšur, etymology not clear, may be related to Ar. mawšur “prism,” of unknown origin.