Polish chomik

← Proto-Balto-Slavic *kāmjas (derived)

← Lithuanian kãmas (cognate)

← Latvian kāmis (cognate)

← Old East Slavic хомѣкъ (derived)

→ English hamster (cognate)

→ Polish chomiczek (suffix)

→ Polish chomikować (affix)

→ Polish chomiczy (affix)

→ Ukrainian хом'як (cognate)