מַלְכוּ

From LSJ

Γελᾷ δ' ὁ μῶρος, κἄν τι μὴ γελοῖον ᾖ → Mens stulta ridet, quando ridendum est nihil → Es lacht der Tor, auch wenn es nichts zu lachen gibt

Menander, Monostichoi, 108

English (Strong)

(Aramaic) corresponding to מַלְכוּת; dominion (abstractly or concretely): kingdom, kingly, realm, reign.