sluice
From LSJ
ἀπὸ τῶν καρπῶν αὐτῶν ἐπιγνώσεσθε αὐτούς → ye shall know them by their fruits, by their fruits ye shall know them, by their fruits you shall know them, you will know them by their fruit
channel: P. and V. ὀχετός, ὁ, P. αὐλών, ὁ (Plato), Ar. ὑδρορρόα, ἡ.