πρὶν ἀλέκτορα φωνῆσαι τρὶς → before the rooster crows three times (Matthew 26:75)
P. and V. κρήνη, ἡ, πηγή, ἡ, Ar. and V. κρουνός, ὁ, V. κρηναῖον γάνος.
Met., origin: P. and V. ἀρχή, ἡ, πηγή, ἡ (Plato).
of a fountain, adj. . P. and V. πηγαῖος (Plato), V. κρηναῖος.