←
Middle Dutch ôoc (inherited)
←
Proto-Germanic *auk (inherited)
←
Proto-West Germanic *auk (inherited)
←
Old Dutch ōk (inherited)
←
Old Dutch auk (mention)
→
Afrikaans ook (inherited)
→
Alemannic German au (cognate)
→
Luxembourgish och (cognate)
→
Pennsylvania German aa (cognate)
→
Sranan Tongo owktu (borrowed)