As a deity name
Name 577 of the Krishna Sahasranāma — Mahabharata / Padma Purana, as taught by Sages and Devotees
Name 248 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 822 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 274 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
any instrument of teaching, any manual or compendium of rules, any book or treatise, (esp.) any religious or scientific treatise, any sacred book or composition of divine authority…
Scripturally attestedWhy this matches what you typed
M1 · same meaning "śāstre" is the locative of "śāstra" — the same word in a different grammatical case.
M1 · same meaning "śāstre" is the dative of "śāstṛ" — the same word in a different grammatical case.
Related forms
Dictionary citations
śāstra n. an order, command, precept, rule, RV.; Kāv.; Pur.
teaching, instruction, direction, advice, good counsel, MBh.; Kāv. &c.
śāstṛ m. a chastiser, punisher, MBh.; Kāv. &c.
a ruler, commander, TS. &c. &c.
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