As a deity name
Name 528 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 808 of the Gayatri Sahasranāma — Devi Bhagavata Purana, as taught by Sages
As a Hindi name
महामारी · noun · feminine
वह संक्रामक और भीषण रोग जिसमें एक साथ ही बहुत से लोग मरें । ववा । मरी । जैसे, हैजा, चेचक, प्लेग इत्यादि · महाकाली का एक नाम — Śabdasāgara
महामारी · feminine
epidemic (a widespread occurrence of an infectious disease in a community at a particular time)
a Hindi word; it is not Sanskrit
“महा (mahā, “great”) + मारी (mārī, “killer”).” — per Wiktionary’s etymology record
As a Sanskrit word
Meaning
‘gr˚ destroying goddess’, a form of Durgā and a spell called from her
Scripturally attested Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, महामारी, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
mahā—mārī f. ‘gr˚ destroying goddess’, a form of Durgā and a spell called from her, Pur.
a pestilence causing great mortality, the cholera, MW. (cf. mārī).
mahāmārī f. (-rī) A name of DURGĀ. E. mahā great, and mārī destroyer.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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