τριζυγής
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)
ές,
Greek (Liddell-Scott)
τριζῠγής: -ές, τρίζῠγος, ον, καὶ τρίζυξ, -ῠγος, ὁ, ἡ, ὁ μετὰ δύο ἄλλων συνεζευγμένος, τρεῖς ὁμοῦ, ἐπὶ τῶν Χαρίτων, (Gratia... nudis juncta sororibus), Χαρίτων τριζύγων Σοφ. Ἀποσπ. 490· τρίζυγοι θεαὶ Εὐρ. Ἑλ. 357· τριζυγέες Χάριτες Ἀνθ. Π. 11. 27· ὡσαύτως, τρίζυγες κασίγνητοι αὐτόθι 6. 181· πρβλ. ζεῦγος ΙΙΙ.