FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

koimao κοιμάομαι — koy-mah'-o — from 2749; to put to sleep, i.e. (passively or reflexively) to slumber; figuratively, to decease:--(be a-, fall a-, fall on) sleep, be dead.

see GREEK for 2749