Where does “penrhwym” come from?

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

penrhwym (Welsh): headstall, muzzle

Definitions

  1. headstall, muzzle

Ancestry of “penrhwym”, step by step

penrhwym traces back through two separate lines of ancestry.

via Welsh pen

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

via Welsh rhwym

StepLanguageWordMeaning
1Welshrhwymbond, tie, shackle
Every word from Proto-Celtic kʷennom →Every word from Proto-Brythonic penn →Every word from Welsh pen →
penrhwym — Etymology, Origin & Word History | Etymology Explorer