From Proto-Germanic *wunjō, from Proto-Indo-European *wenh₁- (“to strive for, wish, desire”). Cognate with Old Saxon wunnia, Old High German wunna (German Wonne). Related to Old English ƿine (“friend”), ƿenian (“to accustom, wean”). The Indo-European root is also the source of Latin Venus, Old Irish fine, Welsh gwen) and Albanian uri (“hunger, desire”) arch. 'uni'.