Where does “клубъ” come from?

клубъ (Old East Slavic) comes from Proto-Slavic klǫbъ — clod; lump.

Ancestry of “клубъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicklǫbъclod; lump

Words derived from “клубъ

Every word from Proto-Slavic klǫbъ