Where does “penffrwyn” come from?

penffrwyn (Welsh) comes from Welsh pen, from Proto-Brythonic penn, from Proto-Celtic kʷennom — head.

penffrwyn (Welsh): headstall, halter

Definitions

  1. headstall, halter

Ancestry of “penffrwyn”, step by step

penffrwyn traces back through two separate lines of ancestry.

via Welsh pen

StepLanguageWordMeaning
1Welshpenhead; chief; top, apex
2Proto-Brythonicpennhead
3Proto-Celtickʷennomhead

via Welsh ffrwyn

StepLanguageWordMeaning
1Welshffrwynbridle
Every word from Proto-Celtic kʷennom →Every word from Proto-Brythonic penn →Every word from Welsh pen →