ῥύαξ
τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
English (LSJ)
[ῠ], ᾱκος, ὁ, (ῥέω)
A rushing stream, mountain torrent, Th.4.96, Dsc.3.51, prob. in OGI335.111 (Pergam., ii B.C.). 2 esp. stream of lava from a volcano, ὁ ῥ. τοῦ πυρὸς ἐκ τῆς Αἴτνης Th.3.116, cf. Pl. Phd.111e, 113b, Arist.Mir.833a17, Thphr.Lap.22; ὁ καλούμενος ῥ. D.S.14.59. 3 metaph., ῥ. ἀργύρου γενέσθαι Id.5.35. 4 of dolphins, etc., ἔχει οἷον ῥ. δύο ἐξ ὧν τὸ γάλα ῥεῖ two flow-holes, Arist. HA504b24.
German (Pape)
[Seite 850] ακος, ὁ, jeder hervorbrechende Quell, Strom; bes. der Feuerstrom, der sich aus feuerspeienden Bergen ergießt, Lavastrom, Heind. Plat. Phaed. 111 e 113 b; τοῦ πυρός, Thuc. 3, 116. 4, 96 u. Sp.; auch übertr., Arist. H. A. 2, 13.