Where does “Pagliaro” come from?

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

Ancestry of “Pagliaro”, step by step

Step	Language	Word	Meaning
1	Italian	Pagliaro	—
2	Italian	-aro	Alternative form of -aio
3	Latin	-ārius	er
4	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Italian -aro →