←
Proto-Germanic *dōną (inherited)←
Proto-Indo-European *dʰeh₁- (root)←
Proto-Indo-European *dʰeh₁- (derived)←
Old Frisian dwā (inherited)←
Old Frisian duā (mention)→
North Frisian du (cognate)→
North Frisian düünj (cognate)→
Alemannic German tue (cognate)→
Low German doon (cognate)→
Saterland Frisian dwo (cognate)