κοιμάω
Etym. κεῖμαι
I. "to lull or hush to sleep, put to sleep", Hom.
2. metaph. "to lull to rest, still, calm", ἀνέμους, κύματα id=Hom.; ὀδύνας Il.; κοίμησον εὔφημον στόμα "lay" thy tongue "asleep" in silence, Aesch.
II. Mid. and Pass. "to fall asleep, go or lie abed", Hom., Hdt., etc.
2. of the sleep of death, κοιμήσατο χάλκεον ὕπνον "he slept" an iron sleep, Il.: absol. "to fall asleep, die", Soph., NTest.
3. "to keep watch at night", Lat. excubare, Aesch., Xen.