τάχος

A. swiftness, speed, ἵπποισι . . , οἷσιν Ἀθήνη νῦν ὤρεξε τ. Il. 23.406, cf. 515; τ. καὶ βραδυτής Pl. Tht. 156c, Arist. Ph. 228b29, etc.: pl., velocities, Pl. Ti. 39d, Lg. 893d.

2. τ. φρενῶν quickness of temper, hastiness, E. Ba. 670; ὁ χρόνος μάθησιν ἀντὶ τοῦ τάχους . . δίδωσι Id. Supp. 419; f.l. in Pl. Lg. 944c; τ. τῆς ψυχῆς quickness of apprehension, ib.689c.

II. τάχος is freq. used in Adverbial phrases for ταχέως, abs. in acc., A. Th. 58, Ag. 945, Eu. 124, E. Rh. 986, HF 860 (troch.), etc.; also in dat., τάχει ὁμοίως with like velocities, Pl. Ti. 36d: with Preps., διὰ τάχους S. Aj. 822, Th. 1.63, etc.; ἐν τάχει Pi. N. 5.35, A. Pr. 747, S. OC 500, Th. 1.86, PCair.Zen. 62(b).10 (iii B.C.), etc.; εἰς τάχος X. Eq. 3.5, Ar. Ach. 686, etc.; κατὰ τάχος Hdt. 1.124,152, Th. 1.73; κατὰ τὸ τ. PCair.Zen. 130.11 (iii B.C.); τὸ τ. (without κατὰ) ib. 158.2, 166.4, 428.15, PHib. 1.62.13 (all iii B.C.). etc.; μετὰ τάχους Pl. Prt. 332b; μετὰ παντὸς τ. with all speed, POxy. 2107.4 (iii A.D.); σὺν τάχει S. Aj. 853, OC 885 (lyr.), 904: also with relatives, ὡς τάχος, = ὡς τάχιστα, A. Ag. 27, Ch. 889, Hdt. 5.106, Ar. Lys. 1187; so ὅ τι τάχος Hdt. 9.7.β/, Th. 7.42, PCair.Zen. 60.8 (iii B.C.); ὅσον τάχος S. El. 1373, etc.; ᾗ (Dor. ᾇ)τάχος Pi. O. 6.23, Theoc. 14.68: also ὡς τάχεος εἶχε ἕκαστος Hdt. 8.107, cf. Th. 2.90; ὡς εἶχον τάχους Id. 7.2; πῶς πρὸς ἄλληλα τάχους ἔχει Pl. Grg. 451c.