Proto-IE: *wīt- (~ -ei-)
Meaning: evil, deformity
Latin: vitium, -ī n. `Fehler, Gebrechen, Schaden an Körper und Dingen'; vitilīgō, -inis f. `Hautausschlag'
Celtic: Ir giothal `Zwerg, Unhold'
Russ. meaning: бяка
References: WP I 223 f (differently in Pok.)