ἐπέμψατε ἀγγέλους τοῖς ἀλλήλοις ὥστε ἔγνωτε τὸν κίνδυνον → you sent messengers to one another so that you knew the danger
exĕdrĭum: ii, n., = ἐξέδριον,I a sitting-room, parlor, Cic. Fam. 7, 23, 3.