OriginPerhaps from Proto-Indo-European *geybʰ- (“bowed, curved, crooked, skew”), and cognate with Lithuanian gei̇̃bti (“to decline, become weak”), Latin gibber (“hunch, hump”).
Formskeiva(definite, singular) · keiver(indefinite, plural) · keivene(definite, plural)
Source: Wiktionary — CC BY-SA 4.0