κέλευσμα, κελεύσματος, τό (κελεύω), from Aeschylus and Herodotus down, an order, command, specifically, a stimulating cry, either that by which animals are roused and urged on by man, as horses by charioteers, hounds by hunters, etc., or that by which a signal is given to men, e. g. to rowers by the master of a ship (Lucian, tyr. or catapl. c. 19), to soldiers by a commander (Thucydides 2, 92; Proverbs 24:62 ()): ἐνκελεύσματι, with a loud summons, a trumpet-call, 1 Thessalonians 4:16.
1 Thessalonians 4:16 - N-DNS GRK:κύριος ἐν κελεύσματι ἐν φωνῇ NAS: from heaven with a shout, with the voice KJV: heaven with a shout, with the voice INT: Lord with a shout of command with voice