Where does “cerddorion” come from?

cerddorion (Welsh) comes from Welsh cerddor, from Welsh -or, from Welsh -awr, from Proto-Brythonic *-ọr, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “cerddorion”, step by step

StepLanguageWordMeaning
1Welshcerddormusician
2Welsh-orperson or man associated with root
3Welsh-awr—
4Proto-Brythonic*-ọr—
5Latin-āriuser
6Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Welsh -or →