A.beging first, “ἡ -άρχουσα χάρις” Ph.1.487; “ἡ-άρξασα διάθεσις” A.D.Synt.244.9; “π. μιαιφονίας” D.S.38.6; “χάριτος” A.D.Pron.40.10.
2. of causes (cf. προκαταρκτικός（“, τῶν αἰτίων τινὰ μέν ἐστι τὰ προκατάρξαντα” Dsc.Ther.Praef., cf. Sor.2.17, Gal.9.1: c. gen., “τῆς σωματικῆς ἁπάσης κινήσεως π.” Dam.Pr.284; “προκατάρχοντος αὐτῆς τῆς εἱμαρμένης εἱμαρμένου” Plu.2.574d, cf. Iamb. Myst.1.7.
II. begin a thing before others, “τοῦ πολέμου” D.S.2.18, D.C.50.2:—Med., “π. [ὀρχήσεως]” D.H.7.72; μάχης, εὐποιίας, J.AJ1.20.2, 7.15.1; “ἔχθρας” D.C.Fr.40.4; “π. τοῦ . . σώματος τὸ στυγνὸν σκότος” Corp.Herm.1.20 (-έρχεται codd.): abs., begin hostilities, Plb.3.31.5, D.C.41.59, Heliod.in EN104.9.
2. Med., = litem contestor, Gloss.
III. προκατάρχεσθαί τινι τῶν ἱερῶν serve one with the first or the best portion of the victim at sacrifices (one of the privileges of the citizens of the mother-city in their colonies), Th.1.25, cf. App. BC1.110.
