An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : exo-
exo-
  برون-   
borun- (#)

Fr.: exo-   

Prefix meaning "outside; outer; external" used in the formation of compound words: exoplanet, exosphere, exocentric.

From Gk. exo "outside," used in forming scientific terms, → ex-.

Borun-, from borun "out, the outside" (Mid.Pers. bêron, from "outside, out, away" + rôn "side, direction;" Av. ravan- "(course of a) river").