←
Proto-Germanic *auk (inherited)
→
Old English eac (cognate)
→
Cimbrian òch (inherited)
→
Alemannic German au (inherited)
→
Hunsrik aach (inherited)
→
Luxembourgish och (inherited)
→
Old Norse auk (cognate)
→
Old Norse ᛅᚢᚴ (cognate)
→
Pennsylvania German aa (inherited)