←
Middle Dutch kos (inherited)
←
Middle Dutch kus (mention)
←
Proto-Germanic *kussaz (inherited)
←
Proto-West Germanic *koss (inherited)
←
Old Dutch *kos (inherited)
←
Old Dutch *kus (mention)
→
Afrikaans kus (inherited)
→
Norwegian Bokmål kyss (cognate)
→
Norwegian Nynorsk kyss (cognate)