πρὶν ἀλέκτορα φωνῆσαι τρὶς → before the rooster crows three times (Matthew 26:75)
ἡ, = τριακάς, Hsch.
τριάξ: ἡ, = τριακάς, Ἡσύχ.
ἡ, Αβλ. τριακάς.