Where does “मौसी” come from?

मौसी (Hindi) comes from Maharastri Prakrit 𑀫𑀸𑀉𑀲𑀺, from Sanskrit मातुःष्वसृ, from Sanskrit मातुः॑.

मौसी (Hindi): maternal aunt

Definitions

Step	Language	Word	Meaning
1	Maharastri Prakrit	𑀫𑀸𑀉𑀲𑀺	—
2	Sanskrit	मातुःष्वसृ	maternal aunt
3	Sanskrit	मातुः॑	—

मौसी — Etymology, Origin & Word History | Etymology Explorer