Where does “नेत्रिका” come from?

नेत्रिका (Hindi) comes from Hindi नेत्रिक.

नेत्रिका (Hindi): eyepiece; ocular, eye-

Definitions

Step	Language	Word	Meaning
1	Hindi	नेत्रिक	—

नेत्रिका — Etymology, Origin & Word History | Etymology Explorer