As a deity name
Name 721 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
As a Hindi name
Nearest attested word 'महाकोशी' does not appear as a word in our Hindi sources. The nearest word is महाकोशा, meaning एक नदी का नाम. — Śabdasāgara nearest word: महाकोशा — a suggestion, not a meaning
As a Sanskrit word
Meaning
Recorded as a personal name: the tutelary goddess of the Mataṃga-jas, (v.l. -kāśī)
Scripturally attested Verified derivationMultiple readings (3)Why this matches what you typed
The spelling you confirmed, महाकोशी, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
mahā—kośī f. N. of the tutelary goddess of the Mataṃga-jas, Cat. (v.l. -kāśī)
of a river, Kum.
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