Where does “cantorion” come from?

cantorion (Welsh) comes from Welsh cantor, from Middle Welsh kantor, from Latin cantor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

Ancestry of “cantorion”, step by step

StepLanguageWordMeaning
1Welshcantorsinger
2Middle Welshkantor—
3Latincantorsinger; player; first-person singular present...
4Latin-tor-er
5Proto-Italic-tōrForms agent nouns to verb stems
6Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
7Proto-Indo-European-tor-s—
Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Latin cantor →