κυρηβάζω
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν 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)
fut. -άσω Ar.Eq.272:—prop.
A butt with the horns, like goats or rams, Sch.Ar. l.c.: metaph., τὸ σκέλος κυρηβάσει he shall butt against my leg, Ar. l.c.: aor. Med. κυρηβάσασθαι Cratin. 462. II metaph. in Med., = λοιδοροῦμαι, Hsch. (κυριβ- cod.), Phot.