ὠνή
γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς τε καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων → grammar is a practical knowledge of the usage of poets and writers of prose
English (LSJ)
Aeol. ὄννα IG11(2).1064 (ii B. C.), ἡ, (cf. ὦνος)
A buying, purchasing, ὠ. καὶ πρῆσις buying and selling, Hdt.1.153, cf. Hyp.Ath.5, S. Fr.909, Pl.R.371d, Sph.223d; ὠνὴν ποιεῖσθαί τινος D.33.8, cf. Pl.Lg. 849b; δἰ ὠνῆς Plu.2.753d; διὰ τὴν ὠ. Luc.Ind.16; ἐν τῇ τῶν σιτίων ὠ. Pl.Prt.314a. 2 purchase, bargain, E.Cyc.150. II contract for the farming of taxes or other sources of revenue, ὠνὰς πρίασθαι ἐκ τοῦ δημοσίου And.1.73, cf. 92, Plu.Alc.5; τοὶ πριάμενοι τὰν ὠνὰν σίτου, οἴνου, τετραπόδων, SIG1000.4,5,6 (Cos, i B. C.); τρὶς ἀναπραθείσης τῆς ὠ. IPE12.32A53 (Olbia, iii B. C.); ὠνὰς omnium venditas, of the proceeds of local taxes, Cic.Att.5.16.2. 2 in Dor. Inscrr. (also in Arg.D.37 (pl.)), deed of sale, contract, ἁ ὠνὰ παρὰ Ξενοκράτη Δελφόν GDI1715, al. (Delph., ii B. C.); ὠνὰν τὰν ἐν τῷ ἱαρῷ ἀναγεγραμμέναν ib.1764 (ibid., ii B. C.); τᾶς ὠ. τὸ ἀντίγραφον IG9(1).331.5 (Chaleion, ii B. C.). III purchase-money, price, εἰς . . τῶν ὅπλων τὴν ὠ. παρέσχε τρισμυρίας δραχμάς Lys.19.43; ἐπέθηκε τῇ ὠ. τάλαντον Plu.Alc. 5.