←
Middle High German katere (inherited)
←
Proto-West Germanic *kataʀō (inherited)
←
Old High German kataro (inherited)
←
Luxembourgish Kueder (cognate)
←
German Low German Kater (cognate)
←
Saterland Frisian Koater (cognate)
→
Luxembourgish Kueder (cognate)
→
German Low German Kater (cognate)