From Proto-Tocharian*wäp- (compare Tocharian B wāp-), from Proto-Indo-European*webʰ-(“to weave”), also the ultimate root of Old English wefan (whence English weave), Sanskrit उभ्नाति(ubhnāti, “entwine”), Persian بافتن(bâftan), Ancient Greek ὑφαίνω(huphaínō, “weave”), Albanian venj.