Where does “pump” come from?

pump (Welsh) comes from Middle Welsh pymp, from Old Welsh pimp, from Proto-Brythonic pɨmp, from Proto-Celtic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

pump (Welsh): five

Definitions

  1. five

Ancestry of “pump”, step by step

StepLanguageWordMeaning
1Middle Welshpymp—
2Old Welshpimp—
3Proto-Brythonicpɨmpfive
4Proto-Celtickʷenkʷefive
5Proto-Indo-Europeanpénkʷefive

Words derived from “pump”

Every word from Proto-Indo-European pénkʷe →Every word from Proto-Celtic kʷenkʷe →Every word from Proto-Brythonic pɨmp →