Note: the Hindi and Sanskrit paths disagree here — the Hindi dictionary reading is negative (“anger”) while the Sanskrit reading is not. Both are shown below; read them together before choosing.
As a deity name
Name 596 of the Surya Sahasranāma — Bhavishya Purana, as taught by Lord Brahma / Sages
As a Hindi name
Note: the Hindi and Sanskrit paths disagree here — the Hindi dictionary reading is negative (“anger”) while the Sanskrit reading is not. Both are shown below; read them together before choosing.
तामस · adj
[ वि॰ स्त्री॰ तामसी] · जिसमें प्रकृति के उस गुण की प्रधानता हो जिसके अनुसार जीव क्रोध आदि नीच वृत्तियों के वशीभूत होकर आचरण करता है । तमोगुण युक्त · अंधकार युक्त । अंधकारमय (को॰) — Śabdasāgara
तामस · noun · masculine
सर्प । साँप · खल · उल्लू — Śabdasāgara
तामस · tāmas · adj.
Dark; affected by or appertaining to the third quality or that of darkness (vice, ignorance, &c.); inert; stupid, ignorant — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 307
तामस · tāmas · s.m.
Darkness, ignorance, illusion, error; anger, irascibility, &c. (cf. next) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 307
As a Sanskrit word
Meaning
(fr. tamas) dark
Scripturally attested Verified derivationMultiple readings (6)Why this matches what you typed
The spelling you confirmed, तामस, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Gender counterpart
The kosha attests this stem in the feminine, the masculine, and the neuter — the same name serves without alteration.
Dictionary citations
tāmasa mf(ī)n. (fr. tamas) dark, L.
appertaining to or affected by the quality tamas (q.v.), ignorant, various, Mn. xii; Bhag. &c. (˚sī tanū, ‘the form assumed by the deity for the destruction of the world’ ; ˚sī śakti, ‘the faculty of tamas’)
relating to Manu Tāmasa, BhP. viii, 1, 28
tāmasa m. a malignant person, L.
a snake, 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