An Etymological Dictionary of Astronomy and Astrophysics

Plain or clear to the sight or understanding.

Etymology (EN): From L. evidentem (nom. evidens) “perceptible, obvious,” from → ex- “fully, out of” + videntem (nom. videns), pr.p. of videre “to see,” from PIE base *weid- “to know, to see;” cf. Mod.Pers. bin- “to see” (present stem of didan); Mid.Pers. wyn-;
O.Pers. vain- “to see;” Av. vaēn- “to see;”
Skt. veda “I know;” Gk. oida “I know,” idein “to see;” O.E. witan “to know;” Goth. weitan “to see;” E. wise; Ger. wissen “to know;” Lith. vysti “to see;” Rus. videt’ “to see,” vest’ “news.”

Etymology (PE): Âviš, from Av. āviš, āuuiš “evidently, before the eyes,” āuuišiia- “manifest;” Mid.Pers. âškârâg “manifest;” Mod.Pers. âškâr (Proto-Iranian *āuiš-kâr); Arm. loanword from Iranian aškaray “open, not hidden;” cf. Skt. āvis
“evidently, before the eyes;” O.C.S. (j)avé “manifest, known” (loanword from Iranian);
L. audire “to hear;” Gk. aisthanesthai “to feel.”