Where does “𑀝𑁄𑀧𑀺𑀆” come from?

𑀝𑁄𑀧𑀺𑀆 (Maharastri Prakrit) comes from Sanskrit टोपिका, from Sanskrit टुप्पिका — a type of clothing, probably a cap or hood.

𑀝𑁄𑀧𑀺𑀆 (Maharastri Prakrit): helmet