←
Old English torr (inherited)
←
Old English tor (mention)
←
English tower (doublet)
←
Middle English tor (inherited)
←
Middle English torr- (mention)
←
Scottish Gaelic tòrr (cognate)
←
Ancient Greek τύρρις (derived)
←
Ancient Greek τύρσις (mention)
←
Ancient Greek τύρρις (cognate)
←
Ancient Greek τύρσις (mention)
←
Old Welsh *tor (derived)
←
Romansch tuor (mention)
→
English tower (doublet)