ὑποκλύζω
From LSJ
Γελᾷ δ' ὁ μῶρος, κἄν τι μὴ γελοῖον ᾖ → Mens stulta ridet, quando ridendum est nihil → Es lacht der Tor, auch wenn es nichts zu lachen gibt
English (LSJ)
A wash from below, πόντος ὑ. χθονὸς ἕδρανα AP9.663 (Paul. Sil.); ὑ. τὸ σῶμα purge the body by a clyster, Plu.2.127c, cf. Hp.Morb.2.40; τὴν κοιλίην Aret.CA1.2; ὑ. τὴν πόλιν flush it, J.AJ 15.9.6. II Pass., to be submerged, A.R.1.533 (s. v. l.): metaph., to be flooded with mischief, Luc.Nigr.16.