βουκέρως
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)
ων, gen. ω, A horned like an ox or horned like acow, ἄγαλμα Hdt.2.41; βουκέρως παρθένος, of Io, A. Pr.588 (lyr.); Ἴακχος S.Fr.959. II = foreg., Dsc.2.102.