As a deity name
Name 876 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / Sages
Name 521 of the Narasimha Sahasranāma — Brahmanda Purana / Narasimha Purana, as taught by Sages to Assembly of Devotees
Name 707 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 978 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
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
victorious, triumphant, winning, &c.
Scripturally attestedWhy this matches what you typed
M1 · same meaning "jiṣṇave" is the dative of "jiṣṇu" — the same word in a different grammatical case.
Dictionary citations
jiṣṇu mfn. (√ ji, Pāṇ. iii, 2, 139) victorious, triumphant, winning, RV.; AV.; VS. &c.
(with acc.) vanquishing, conquering, excelling, Bhartṛ. i, 5; Vop. v, 26
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