ἐκγελᾶν

From LSJ

διφθέραι σταδιαῖαι τοῖς μεγέθεσιν → hides a stade in size, hides fastened together so as to cover a place an entire stadium in extent

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: ἐκγελάω) burst out laughing, laugh aloud, laugh outright