ἐκγελάω · ekgelaō — LSJ
laugh out, laugh loud, ἡδὺ δʼ ἄρʼ ἐκγελάσας μετεφώνεε Od. 16.354, 18.35, cf. X. Cyr. 1.3.9, etc. ; γέλωτι ὥσπερ κῦμα ἐ. Pl. R. 473c ; ἐάν τις κνήσῃ, ἐ. Arist. Pr. 965a24 : metaph. of a liquid that rushes out with a gurgling sound, ἐκγελᾷ φόνος E. Tr. 1176.