Where does “paserino” come from?

paserino (Esperanto) comes from Esperanto pasero, from Esperanto -ero, from French -aire, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

paserino (Esperanto): a female sparrow

Definitions

a female sparrow

Ancestry of “paserino”, step by step

Step	Language	Word	Meaning
1	Esperanto	pasero	sparrow; a fragment of someone or something which...
2	Esperanto	-ero	Denotes a particle of something
3	French	-aire	-ary; -aire
4	Latin	-ārius	er
5	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 French -aire →