Where does “ario” come from?

ario (Galician) comes from Sanskrit आर्य, from Pali อริย — Thai script form of ariya.

ario (Galician): Aryan

Definitions

Step	Language	Word	Meaning
1	Sanskrit	आर्य	an Indo-Aryan, i.e. an Ārya, a self-designator of...
2	Pali	อริย	Thai script form of ariya

ario — Etymology, Origin & Word History | Etymology Explorer