ἐπέμψατε ἀγγέλους τοῖς ἀλλήλοις ὥστε ἔγνωτε τὸν κίνδυνον → you sent messengers to one another so that you knew the danger
inf. prés. de αὐδάω.
(see also αὐδάζομαι): accost, utter
