ὀρθός
Alt. ὀρθός, ή, όν
"straight", Lat. rectus:
I. in height, "upright, erect", Hom., Hdt., attic; ὀρθὸν οὖς ἱστάναι, i. e. to give attentive ear, Soph.:—of buildings, "standing with their walls entire", [τὸ Πάνακτον] ὀρθὸν παραδοῦναι Thuc.
II. in line, "straight, right", ὀρθὸς ἀντ᾽ ἠελίοιο "right" opposite the sun, Hes.; ὀρθὴ ὁδός Theogn.; ὀρθὴν κελεύεις, i. e. ὀρθὴν ὁδόν με κελεύεις ἰέναι, Ar.; δι᾽ ὀρθῆς (sc. ὁδοῦ) Soph.:—also, ὀρθᾷ χερί, ὀρθῷ ποδί "straightway", Pind.; but ὀρθὸν πόδα τιθέναι is prob. "to put the foot out", as in walking (cf. κατηρεφής I), Aesch.
2. βλέπειν ὀρθά, to see "straight", opp. to being blind, Soph.; so, ἐξ ὀμμάτων ὀρθῶν, ὀρθοῖς ὄμμασιν, Lat. rectis oculis, id=Soph.
III. metaph.,
1. "right, safe, happy, prosperous":
a. from signf. 1, ὀρθὸν ἱστάναι τινά ῀ ὀρθοῦν, "to set up, restore", Pind., Eur.; so, στάντες τ᾽ ἐς ὀρθὸν καὶ πεσόντες ὕστερον Soph.; πλεῖν ἐπ᾽ ὀρθῆς (sc. νεώς, "the state" being represented as "a ship)", id=Soph.
b. from signf. II, κατ᾽ ὀρθὸν ἐξελθεῖν, of prophecies, id=Soph.; κατ᾽ ὀρθὸν οὐρίσαι to waft "in straight course", id=Soph.
2. "right, true, correct", Pind., Aesch., etc.; ὄρθ᾽ ἀκούειν to be "rightly" called, Soph.; ὀρθῷ λόγῳ "strictly speaking, in very truth", Hdt.:—so in adv., ὀρθῶς λέγειν id=Hdt.; ὀ. φράσαι Aesch., etc.; ὀρθῶς ἔχει 'tis "right", c. inf., Plat.:—Sup. ὀρθότατα Hdt.
3. "real, genuine", Arist.:— ὀρθῶς, "really, truly", Plat.
4. "upright, righteous, just", Soph., etc.; κατὰ τὸ ὀρθὸν δικάζειν Hdt.:—adv. ὀρθῶς, "rightly, justly", Thuc.
5. of persons, "steadfast, firm", Plat.
IV. ἡ ὀρθή,
1. (sub. ὁδός), v. supr. II.
2. (sub. γωνία) "a right angle", id=Plat., etc.
3. (sub. πτῶσις) "the nominative", Lat. casus rectus.
V. adv. ὀρθῶς, v. supr. III. 2-4.