ὀρθογώνιος
From LSJ
δυνατὰ δὲ οἱ προύχοντες πράσσουσι καὶ οἱ ἀσθενεῖς ξυγχωροῦσιν → the strong do what they will; the weak do what they must | the strong do what they can and the weak suffer what they must | they that have odds of power exact as much as they can, and the weak yield to such conditions as they can get
German (Pape)
[Seite 374] grad-, rechtwinklig, τρίγωνον, Tim. Locr. 98 a, wie Ath. X, 418 f u. Mathem.
Greek (Liddell-Scott)
ὀρθογώνιος: -ον, ὁ ἔχων ὀρθὴν γωνίαν, Τίμ. Λοκρ. 98Α, Ἀριστ. π. Ψυχῆς 2. 2, 2· - παρ’ Ἀρχύτ. ἐν Στοβ. Ἐκλογ. 1. 784, ὀρθὰ γωνία εἶναι ἡ πιθαν. γραφή, καὶ οὕτως ἀποκατεστάθη ἐν τῇ ἐκδ. τοῦ Meineke.