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

A suffix meaning "like, resembling," used in the formation of adjectives and nouns; e. g. asteroid, cycloid, ellipsoid.

From Gk. -oeides, from eidos "form," related to idein "to see," eidenai "to know;" PIE *weid-es-, from base *weid- "to see, to know;" cf. Pers. bin- "to see" (present stem of didan); Mid.Pers. wyn-; O.Pers. vain- "to see;" Av. vaēn- "to see;" Skt. veda "I know."

Suffix -vâr denoting "resembling, like," from Mid.Pers. -wâr, Av. -vara, -var, cf. Skt. -vara.