←
Old English þæc (inherited)
←
Middle English thakken (inherited)
←
Middle English thacce (inherited)
←
Middle English thak (inherited)
←
Middle English thakk (mention)
←
Middle English thakke (mention)
←
Proto-Germanic *þaką (inherited)
←
Proto-West Germanic *þak (inherited)
←
Ancient Greek στέγος (mention)
←
Proto-Indo-European *teh₂g- (derived)
←
Proto-Indo-European *tag- (derived)
←
Proto-Indo-European *taǵ- (mention)
←
Proto-Indo-European *teg- (derived)
←
Icelandic þjaka (mention)
←
Low German Dack (cognate)
←
Norwegian tjåka (cognate)
←
Old Norse þykkr (cognate)
←
Old Norse þak (cognate)
→
Cimbrian tach (cognate)
→
Cimbrian dach (cognate)
→
Central Franconian Daach (cognate)
→
Luxembourgish Daach (cognate)