ὄρνιθι γὰρ καὶ τὴν τότ᾽ αἰσίῳ τύχην παρέσχες ἡμῖν → for it was by a good omen that you provided that past fortune to us
concĭnens: ntis, P. a., v. concino.
concĭnēns, tis, part. de concino || adjt, en accord : nihil concinens dicitur Arn. 3, 40, on ne dit rien qui s’accorde.
