←
English thack (cognate)
←
Proto-Germanic *dagaz (inherited)
←
Proto-Germanic *þaką (inherited)
←
Central Franconian Dag (link)
←
Old High German dag (inherited)
←
Old High German tag (mention)
←
Old High German dah (inherited)
←
Proto-Indo-European *dʰegʷʰ- (inherited)
←
Icelandic þak (cognate)