↑ A Concise Historical Grammar of the Albanian Language, V.Orel, Koninklijke Brill , Leiden 2000, p.514
Etymology
From Proto-Albanian*wānti, a participle in * -nti[1], or from *wānā, reflecting Proto-Indo-European*u̯en 'to lack, be empty; to strive, to wish for, to love'. Compare Ancient Greek εὖνις(eûnis, “stolen; looted, lack, be short of”), Armenian unain(unain, “empty, bare, lacking”), Latin vanus(“bare, lacking, empty, void, vacant”), Old Norse vanr(“lacking”).