διασοφίζομαι
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
A quibble like a sophist, Ar.Av.1619.
German (Pape)
[Seite 603] dep. med., ganz wie ein Sophist arglistig reden, Ar. Av. 1619.