Where does “кочан” come from?

кочан (Russian) comes from Proto-Slavic kočanъ — cob?.

кочан (Russian): head of cabbage; head, noggin

Definitions

  1. head of cabbage; head, noggin

Ancestry of “кочан”, step by step

StepLanguageWordMeaning
1Proto-Slavickočanъcob?

Words derived from “кочан

Every word from Proto-Slavic kočanъ