γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
prō-lĭcĕo: cui, 2, v. n. liqueo,I to run or flow forth: prolicere, emanare, effluere. Varro: demum ubi prolicuit dulcis unda, Gloss. Isid.
prōlĭcĕō, prolicuī, ēre, intr., couler : Gloss.