As a deity name
Name 585 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
No reading on this path — this spelling has no entry in our Hindi sources, and no near neighbour is attested there either. We say so rather than invent one.
As a Sanskrit word
Meaning
final end or aim, last resort or refuge, principal object, chief matter, essence, summary (˚ṇaṃ-√ kṛ, to do one's utmost), &c.
Scripturally attestedWhy this matches what you typed
M1 · same meaning "parāyaṇam" is the accusative of "parāyaṇa" — the same word in a different grammatical case.
Dictionary citations
1. parāyaṇa n. (for 2. See p. 590, col. 3) final end or aim, last resort or refuge, principal object, chief matter, essence, summary (˚ṇaṃ-√ kṛ, to do one's utmost), ŚBr.; Up.; MBh. &c.
(in medic.) a universal medicine, panacea, Car.
Caveats
Sources contain errors and engines have limits; every claim above carries its citation so you can verify it. This is guidance about names and their sources — not religious or astrological consultation. How we work · Our sources