Usage: 6 forms in 13 verses
Form Translated As     In Verse(s)
κοιμίσασ resting LXX.2Sam.8.2
κεκοιμισμένον was resting LXX.2Kgs.4.32
εκοιμάτο rested LXX.1Kgs.3.20
εκοίμισεν he rested LXX.1Kgs.17.19
rested LXX.2Kgs.4.21
she rested LXX.1Kgs.3.20
εκοίμισε he rested LXX.Gen.24.11
rested LXX.Nah.3.18
she rested LXX.Judg.16.19
she rested it LXX.1Kgs.3.20
εκοίμισαν they rested LXX.2Chr.16.14LXX.Job.24.7LXX.Job.24.10

Liddell-Scott-Jones

κοιμίζω (koimizō) to rest G:V

κοιμίζω-ίζω,

post-[Refs 8th c.BC+], ={κοιμίζωάω}, put to sleep, κ. ὄμμα [Refs 5th c.BC+]; harbour for the night, οἶκος ἐν τοὺς ξένους κοιμίζωίζουσιν [LXX+3rd c.BC+]; still, calm, ἄημα πνευμάτων ἐκοίμισε στένοντα πόντον, i.e. the winds suffered the sea to rest—by ceasing, [Refs 5th c.BC+]; θάλασσαν ἀγρίαν ἐκοίμισαν (i.e. οἱ δαίμονες) [Refs 1st c.AD+] put it out, [Refs 5th c.BC+]; μεγαλαγορίαν κ. lay pride to sleep, quench, stifle it, [Refs 5th c.BC+]; ἐλπίδας οὐ θάλαμος κοίμισεν, ἀλλὰ τάφος[Refs]:—passive, παῖς κοιμίζωίζεται [Refs 5th c.BC+]

__2 of the sleep of death, καλῶ δ᾽.. Ἑρμῆν χθόνιον εὖ με κοιμίζωίσαι [κοιμίζωίζει φλογμῷ 5th c.BC: Euripides Tragicus “Hecuba” 473 (Lyric poetry), compare “Hipp.” 1386 (Lyric poetry)">Refs 5th c.BC+]:—middle, κοίμισαί μ᾽ ἐς Ἅιδου [Refs]
__3 Grammars, soften the accent (from acute to grave), [Refs 8th c.BC+]