Where does “estamentario” come from?

estamentario (Spanish) comes from Spanish -ario, from Latin -ārius, from Proto-Italic *-āzios.

estamentario (Spanish): social class

Definitions

Step	Language	Word	Meaning
1	Spanish	-ario	-ary
2	Latin	-ārius	—
3	Proto-Italic	*-āzios	—

estamentario — Etymology, Origin & Word History | Etymology Explorer