γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
hūmesco: hūmĭdus, etc., v. umesco, umidus, etc.
hūmēscō¹⁵ (ūm-), ĕre (humeo), intr., devenir humide, s’humecter, se mouiller : Virg. G. 3, 111 ; Plin. Min. Pan. 73, 4.