The Proto-Indo-European word *khe/ou-
Word *khe/ou-
Meaning foresee, perceive, know
See also Phrygian: ΑΔΟΙΚΑϝΟΙ ‘a title, probably religious one’
Lydian: kaweś ‘priest’
Synonyms *weid-, *(s)keuh₁-