διαφέρει δὲ ἡ κωμῳδία τῆς τραγῳδίας, ὅτι ἡ μὲν κωμῳδία ἀπὸ γέλωτος εἰς γέλωτα καταλήγει, ἡ δὲ τραγῳδία ἀπὸ θρήνου εἰς θρῆνον → comedy is different from tragedy, because comedy tapers off from laughter into laughter, but tragedy from lament into lament
invocar
middle voice from ἐπί and καλέω; to entitle; by implication, to invoke (for aid, worship, testimony, decision, etc.): appeal (unto), call (on, upon), surname.