सर्वात्मा sarvātmā
3 syllables SLP1 sarvAtmA

As a deity name

Name 140 of the Ganesha Sahasranāma — Ganesha Purana (Upasana Khanda), as taught by Sage Vyasa / Lord Ganesha

As a Hindi name

सर्वात्मा · noun · masculine

सबकी आत्मा । सारे विश्व की आत्मा । संपूर्ण विश्व में व्याप्त चेतन सत्ता । ब्रह्म · शिव का एक नाम · जिन । अर्हत् — Śabdasāgara

As a Sanskrit word

Meaning

the whole person (˚nā ‘with all one's soul’), &c.

Scripturally attested

Why this matches what you typed

M1 · same meaning "sarvātmā" is the nominative of "sarvātman" — the same word in a different grammatical case.

Dictionary citations

Monier-Williams (1899) · सर्वात्मन् (linked stem)

sarvātman m. the whole person (˚nā ind. ‘with all one's soul’), ŚBr.; Mn.; MBh. &c.

Monier-Williams (1899) · सर्वात्मन् (linked stem)

the universal Soul, Up.; MBh.; R. &c.

Caveats

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