εὐεξία
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)
ἡ, (εὐέκτης)
A good habit of body, good health, Hp.Aph.1.3 (pl.); σαρκός E.Fr.201; εὐ. τῶν σωμάτων καὶ καχεξία Pl.Grg.450a, cf. Arist.EN1129a19, Top.105a31; εὐ. πολιτική bodily vigour required of a citizen, Id.Pol.1335b6; ὑγίεια καὶ εὐ. Pl.R.559a: pl., εὐεξίαι τῶν σωμάτων Id.Prt.354b, cf. Aeschin.1.189, Plb.1.57.1, v.l. in Isoc.4.1; περὶ εὐεξίας (opp. ὑγίεια, as temporary high condition to permanent health), title of work by Gal.4.750, 1.408, Thras.12; νικᾶν εὐεξίαν, εὐεξίᾳ, SIG1060 (iv/iii B.C.), 1061 (ii B.C.). II generally, vigour, good condition, ὑγίεια καὶ κάλλος καὶ εὐ. ψυχῆς Pl.R.444d; τῆς πολιτείας Plb.20.4.1; φωνῆς Plu.2.804b, etc. 2 skill, ability, περὶ τὸ ἐπιτάδουμα SIG721.12 (Delos, ii B.C.); εὐ. ἐν τοῖς πολεμικοῖς Plb.3.6.12.