Where does “परोक्ष” come from?

परोक्ष (Sanskrit) comes from Sanskrit अक्ष, from Proto-Indo-Iranian Háćšas, from Proto-Indo-European h₂éḱs-os.

Ancestry of “परोक्ष”, step by step

Step	Language	Word	Meaning
1	Sanskrit	अक्ष	axle, axis; wheel, car, cart; the beam of a...
2	Proto-Indo-Iranian	Háćšas	axle
3	Proto-Indo-European	h₂éḱs-os	—

परोक्ष — Etymology, Origin & Word History | Etymology Explorer