ὑπερινάω
From LSJ
λέγεις, ἃ δὲ λέγεις ἕνεκα τοῦ λαβεῖν λέγεις → you speak, but you say what you say for the sake of gain (Menander, fr. 776)
English (LSJ)
A purge violently, Hp. as cited by Erot. (cf. ὑπέρινος), Poll.4.179 (Pass.).
Greek (Liddell-Scott)
ὑπερῐνάω: κενόω ἰσχυρῶς διὰ καθάρσεως, Ἱππ., ὡς μνημονεύεται παρὰ τῷ Ἐρωτιαν. (πρβλ. ὑπέρινος), Πολυδ. Δ΄, 179.