As a deity name
Name 395 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 544 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 897 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
सनातनतम · noun · masculine
विष्णु का एक नाम — Śabdasāgara
As a Sanskrit word
Meaning
‘most eternal or ancient’, N. of Viṣṇu
Scripturally attested Verified derivationMultiple readings (10)Why this matches what you typed
M3 · meaning shifts "sanātanatama" is derived from "sanātana" with the tamap suffix — a related word whose meaning shifts, so both meanings are shown.
sanātana mf(ī, m.c. also ā)n. eternal, perpetual, permanent, everlasting, primeval, ancient, ŚBr. &c. &c.
sanātana m. N. of Brahmā, L.
sanātana—tama m. ‘most eternal or ancient’, N. of Viṣṇu, MBh.
Dictionary citations
sanātana—tama m. ‘most eternal or ancient’, N. of Viṣṇu, MBh.
sanātana mf(ī, m.c. also ā)n. eternal, perpetual, permanent, everlasting, primeval, ancient, ŚBr. &c. &c.
sanātana m. N. of Brahmā, L.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
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