Where does “stucchinaio” come from?

stucchinaio (Italian) comes from Italian -aio, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “stucchinaio”, step by step

StepLanguageWordMeaning
1Italian-aioAdded to nouns to form agent nouns; Added to...
2Latin-āriuser
3Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Italian -aio →