ὑποβαρβαρίζειν

From LSJ

Εἴκειν δ' οὐκ ἐπίσταται κακοῖς → You don't know how to yield to your misfortunes

Sophocles, Antigone, 472

Greek > English (Woodhouse Verbs Reversed)

talk in barbarous speech (see also: ὑποβαρβαρίζω)