←
Old English þwong (inherited)
←
Old English þwang (mention)
←
Old English þweng (mention)
←
Old English þwæng (mention)
←
Middle English thong (inherited)
←
Middle English thwong (mention)
←
Middle English thwang (mention)
←
Middle Low German dwenge (cognate)
←
Proto-West Germanic *þwangi (inherited)
←
Proto-Indo-European *twenk- (derived)
←
Norwegian tveng (cognate)
→
English whang (mention)
→
Japanese ソング (borrowed)