Where does “морской жёлудь” come from?

морской жёлудь (Russian) comes from Russian жёлудь, from Proto-Slavic želǫdь, from Proto-Indo-European gʷelh₂- — acorn.

морской жёлудь (Russian): barnacle in the suborder Balanomorpha marine crustacean

Definitions

  1. barnacle in the suborder Balanomorpha marine crustacean

Ancestry of “морской жёлудь”, step by step

морской жёлудь traces back through two separate lines of ancestry.

via Russian жёлудь

StepLanguageWordMeaning
1Russianжёлудьacorn
2Proto-Slavicželǫdьacorn
3Proto-Indo-Europeangʷelh₂-acorn

via Russian морско́й

StepLanguageWordMeaning
1Russianморско́йsea
Every word from Proto-Indo-European gʷelh₂- →Every word from Proto-Slavic želǫdь →Every word from Russian жёлудь →