A.“-α^νῶ” Hp.Insomn.93, Arist.Metaph.1032b18: aor. “ὑγία_να” D.54.1, Ion. “ὑγίηνα” Hp.Nat.Puer. 20, Epid.2.2.4. [υ^, but υ_ in augmented tenses, Com.Adesp.115]:—to be sound, healthy, or in health, Thgn. l.c., Scol.8, Hdt.1.153, Hp.Nat.Mul.12 (but ἐκφυγγάνει cod.C, Littré), Ar.Av.605 (anap.); opp. νοσεῖν, κάμνειν, Pl.Grg.495e, 505a; “ὑγιάνας καὶ σωθείς” D.54.1; part. ὑγιαίνων, = ὑγιής, δυνάμενος, Lys. 24.13; “ὀφθαλμοὶὑγιαίνοντες” X.Oec.10.6: of things, “ὑγιαίνων καὶ τεταγμένος βίος” healthy, Plu.2.5a, cf. 43b; ὄψα τῶν λιτῶν καὶ ὑ. ib.66of: generally, to be in a certain state of health, ὑ. νοσηρότερον and “ὑγιεινότερον” Hp.Aph. 6.2.
2. to be sound of mind, Ar.Nu.1275, Av.1214, Pl.Tht.190c, Men. Pk.220, etc.; in full, “τὰς φρένας ὑ.” Hdt.3.33.
3. of soundness in political or religious matters, esp. in part., “τὸ ὑγιαῖνον τῆς Ἑλλάδος” Id.7.157; οἱ ὑγιαίνοντες, opp. turbulent agitators, Plb.28.17.12; “ὑγιαίνουσα διδασκαλία” 1 Ep.Ti.1.10; “ὑγιαίνουσα ἀριστοκρατία” Plu.Dio 12; “δόξαι περὶ θεῶν ὑ.” Id.2.20f, etc.
4. ὑγίαινε, like χαῖρε, a form of taking leave, farewell, Ar.Ra.165, Ec.477; found on tombstones, CIG3706 (Cyzicus), IG14.2526, al. (Lugdunum), BMus.Inscr.1123a (inc. loc.); but σὺ δ᾽ ὑγίαινέ μοι salutation at meeting, Achae.44, cf. Alex.297; freq. in letters, “Μνησίεργος ἐπέστειλε τοῖς οἴκοι χαίρειν καὶ ὑγιαίνειν” SIG1259 (Athens, iv B. C.); “σεαυτοῦ ἐπιμελοῦ ἵν᾽ ὑγιαίνῃς” POxy.745.10 (i B. C./i A. D.).