Comatose

google

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late 17th century: from Greek kōma, kōmat- ‘deep sleep’ + -ose1.

wiktionary

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comatose ( comparative more comatose, superlative most comatose)

etymonline

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comatose (adj.)

1755, "affected with coma, morbidly drowsy or lethargic," from Latinized form of Greek komat-, combining form of koma (genitive komatos; see coma (n.1)) + -ose (1). The English word is perhaps immediately from French comateux. Transferred sense of "lethargic" is from 1828.