ὑπο-κλύζω · hypo-klyzō — LSJ
wash from below, πόντος ὑ. χθονὸς ἕδρανα AP 9.663 (Paul.Sil.); ὑ. τὸ σῶμα purge the body by a clyster, Plu. Sanit. 2.127c, cf. Hp. Morb. 2.40; τὴν κοιλίην Aret. CA 1.2; ὑ. τὴν πόλιν flush it, J. AJ 15.9.6.
Pass., to be submerged, A.R. 1.533 (s. v. l.): metaph., to be flooded with mischief, Luc. Nigr. 16.