πρὶν ἀλέκτορα φωνῆσαι τρὶς → before the rooster crows three times (Matthew 26:75)
praeventus: a, um, Part., from praevenio.praeventus: ūs (only inI abl. sing.), m. praevenio, a preventing (eccl. Lat.): mortis, Tert. adv. Marc. 5, 12.