As a deity name
Name 879 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / Sages
Name 713 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 406 of the Surya Sahasranāma — Bhavishya Purana, as taught by Lord Brahma / Sages
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
accustomed to swallow or absorb
Scripturally attestedWhy this matches what you typed
M1 · same meaning "grasiṣṇave" is the dative of "grasiṣṇu" — the same word in a different grammatical case.
Dictionary citations
grasiṣṇu mfn. accustomed to swallow or absorb, Bhag. xiii, 16.
grasiṣṇu a. Accustomed to swallow. — m. The Supreme Soul.
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