Where does “calzonaio” come from?

calzonaio (Italian) comes from Italian calzone, from Italian -one, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “calzonaio”, step by step

StepLanguageWordMeaning
1Italiancalzonetrousers; calzone
2Italian-oneAlterative suffix used to form augmentatives;...
3Latin-ōsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
4Proto-Indo-European-ōDerives nouns from roots
Every word from Proto-Indo-European -ō →Every word from Latin -ō →Every word from Italian -one →