διπλασιεπιδίτριτος
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)
ον, ibid., Domnin. in Rev.Phil.7.90, 2 2/3 A times as great:
Spanish (DGE)
-ον
de proporción 2 2/3 Nicom.Ar.1.23, Domn.Prop.12, 16.