διαδοιδυκίζω
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)
(δοίδυξ)
A make a closed fist like a pestle, Com.Adesp. 973. II = ὀρχεῖσθαι ἀσχημόνως, ibid.