←
Middle English tath (inherited)
←
Middle English tathen (inherited)
←
Proto-Germanic *tadą (derived)
←
Proto-Indo-European *dāy- (derived)
←
Proto-Indo-European *dāy- (derived)
←
Icelandic tað (cognate)
←
Icelandic teðja (cognate)
←
Norwegian tedja (cognate)
←
Old Norse tað (derived)
←
Old Norse teðja (derived)