μασταρύζω
From LSJ
ὑμῖν ἔξεστι εὐδαίμοσι γενέσθαι → to you it is permitted to be joyful, it is permitted to be happy, it is permitted to be fortunate, vobis licet esse beatis
English (LSJ)
A mumble, like one with his mouth full, of an old man, Ar.Ach.689; cf. μασταρίζειν· μαστιχᾶσθαι, καὶ τρέμειν, κτλ., Hsch.:— also μαστηρύζειν· τὸ κακῶς μασᾶσθαι (Cyren.), Phot.