English
kitty-cat
From kitty (“young cat”) + cat.
A compound of kitty ‘young cat’ + cat
Proto-Germanic *kattuz
Proto-West Germanic *kattu
Old English catt ‘male cat’
Middle English cat ‘cat’
English cat
Today it means
noun A domestic cat (subspecies Felis silvestris catus).
Language periods are conventional ranges, not dates for this word.
Etymograph / kitty-cat