κόσσω

From LSJ

πρὶν ἀλέκτορα φωνῆσαι τρὶς → before the rooster crows three times (Matthew 26:75)

Source

Greek (Liddell-Scott)

κόσσω: Αἰολ. = κόπτω, Ἐτυμ. Μ. 635, 53.