ἀλλ' οὐκ οἰωνοῖσιν ἐρύσσατο κῆρα μέλαιναν → by no augury could he ward off black death
adv.
By chance: P. and V. τύχῃ, P. ἐκ τύχης, κατὰ τύχην.
Unintentionally: P. and V. ἀκουσίως; see unintentionally.
