Where does “clas” come from?

clas (English) comes from Welsh clas, from Middle Welsh clas, from Proto-Brythonic *klas, from Latin classis, from Proto-Italic klāssis, from Proto-Indo-European kelh₁- — to call, cry, summon.

clas (English): A Celtic monastery

Definitions

  1. A Celtic monastery

Ancestry of “clas”, step by step

StepLanguageWordMeaning
1Welshclascloister
2Middle Welshclas—
3Proto-Brythonic*klas—
4Latinclassisany one of the five divisions into which Servius...
5Proto-Italicklāssis—
6Proto-Indo-Europeankelh₁-to call, cry, summon
Every word from Proto-Indo-European kelh₁- →Every word from Proto-Italic klāssis →Every word from Latin classis →