Ὁ κόσμος σκηνή, ὁ βίος πάροδος· ἦλθες, εἶδες, ἀπῆλθες → The world is a stage, life is a performance, you came, you saw, you departed
P. ὀχετός, ὁ.
canal: P. διῶρυξ, ὁ, διόρυγμα, τό.
pipe:. P. αὐλών, ὁ, Ar. ὑδρορρόα, ἡ.