As a deity name
Name 699 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
As a Hindi name
Nearest attested word 'कोशस्था' does not appear as a word in our Hindi sources. The nearest word is कोशस्थ, meaning सुश्रुत के अनुसार पाँच प्रकार के जीवों में से एक । शंख, घोंघा आदि इसी के अंतर्गत हैं । इस जाति के जीव का मांस, मधुर, शीतल, वायुनाशक और कफ बढ़ानेवाला होता है. — Śabdasāgara nearest word: कोशस्थ — a suggestion, not a meaning
As a Sanskrit word
Meaning
‘incased’, any shelled insect or animal (as a snail &c.) — feminine form of kośastha
Scripturally attested Verified split — attested membersMultiple readings (2)Why this matches what you typed
M1 · same meaning "kośasthā" is the feminine form of "kośastha" — the same word with the feminine ending (nominative).
Dictionary citations
kośa—stha m. ‘incased’, any shelled insect or animal (as a snail &c.), Suśr.
a chrysalis or pupa, silk-worm in its cocoon, W.
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