κυριακός, -ή, -όν (κύριος), [in LXX: κ. φωνη (Συριακή φ., R), 2Ma.15:36 A * ;] 1. as frequently in Inscr. (LS, see word; Deiss., BS, 217 f.), of the lord or master, imperial. 2. of the Lord (i.e. Christ): δεῖπνον, 1Co.11:20; ἡμέρα, Rev.1:10. (cf. λόγια κ., Papias, Eus., HE, iii, 39, 1; γραφαὶ κ., Clem. Alex., etc; for eccl. usage, cf. Soph., Lex., see word)† (AS)
STRONG'S WORD STUDY
G2960 — κυριακός
kuriakos · the Lord’s · Greek