Where does “-orion” come from?

-orion (Welsh) comes 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 “-orion”, step by step

StepLanguageWordMeaning
1Welsh-orperson or man associated with root
2Welsh-awr—
3Proto-Brythonic*-ọr—
4Latin-āriuser
5Proto-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 →