←
West Frisian tomme (cognate)
←
Proto-Germanic *þūmô (inherited)
←
Old High German dūmo (cognate)
←
Proto-Indo-European *tūmon- (derived)
←
Proto-Indo-European *tūm- (mention)
←
Proto-Indo-European *tū- (mention)
←
Low German Dumen (cognate)
←
Low German Duum (mention)
←
Old Frisian thūma (cognate)
←
Old Saxon thūmo (cognate)
←
Swedish tumme (cognate)
→
Ancient Greek τυρός (cognate)
→
Scots thoum (inherited)