Where does “ماس” come from?

ماس (Kashmiri) comes from Sanskrit मातुःष्वसृ, from Sanskrit मातुः॑.

ماس (Kashmiri): aunt, one’s mother’s sister

Definitions

Step	Language	Word	Meaning
1	Sanskrit	मातुःष्वसृ	maternal aunt
2	Sanskrit	मातुः॑	—

ماس — Etymology, Origin & Word History | Etymology Explorer