ἐπιστάτης
τῶν λεγομένων τά μέν κατά συμπλοκήν λέγεται, τά δέ ἄνευ συμπλοκῆς → forms of speech are either simple or composite (Aristotle, Categoriae 1a16-17)
English (LSJ)
ου, ὁ, (ἐφίσταμαι)
A one who stands near or by: hence, like ἱκέτης, suppliant, οὐ σύ γ' ἂν . . σῷ ἐπιστάτῃ οὐδ' ἅλα δοίης Od.17.455. 2. in battle-order, one's rear-rank man, X.Cyr. 3.3.50, 8.1.10, al. b. also, even numbers in a λόχος, Ascl.Tact.2.3, Arr.Tact.6.6. II. one who stands or is mounted upon, ἁρμάτων ἐ., of a charioteer, S.El.702, E.Ph.1147; ἐλεφάντων ἐ., of the driver, Plb.1.40.11. 2. one who is set over, chief, commander, A.Th.816 (815); ὅπλων Id.Pers.379; ποιμνίων ἐ. S.Aj.27; ἐρετμῶν ἐ. E.Hel. 1267; θύματος ἐ. Id.Hec.223; but ταύρων πυρπνόων ζεύγλῃσι mastering them with... Id.Med.478; ἐνόπτρων καὶ μύρων, of the Trojans, Id.Or.1112; ἐ. Κολωνοῦ, of a tutelary god, S.OC889; [καιρὸς] ἀνδράσιν μέγιστος ἔργου παντός ἐστ' ἐ. Id.El.76; also in Prose, ἐ. γενέσθαι τῶν λόγων ἴσους καὶ κοινούς judges, And.4.7; ποίας ἐργασίας ἐ.; Answ. ἐ. τοῦ ποιῆσαι δεινὸν λέγειν (where it = ἐπιστήμων) Pl.Prt.312d; πραγμάτων Isoc.4.121; ἐπιστάται ἄθλων stewards of games, Pl.Lg.949a, cf. X.Lac.8.4; of a pilot, Id.Oec.21.3; supervisor of training, Pl. R.412a, X.Mem.3.5.18 (pl.); ἐ. τῶν παίδων IG12(1).43 (Rhodes); τῶν ἐφήβων Inscr.Prien.112.73 (i B.C.): voc. ἐπιστάτα, = Rabbi, Ev. Luc.5.5, al. III. president of a board or assembly: at Athens, ἐ. τῶν πρυτάνεων chairman of βουλή and ἐκκλησία in cent. v, Arist. Ath.44.1, later, keeper of Treasury or Archives, IG3.841, etc.; ἐ. τῶν προέδρων chairman of βουλή and ἐκκλησία from cent.iv, Aeschin. 3.39, D.22.9, etc.; ἐ. ὁ ἐκ τῶν προέδρων IG22.204.31 (iv B.C.); in other Greek states, ib.12(1).731 (Rhodes), 12(7).515.116, 125 (Amorgos), etc.; ἐ. τῶν νομοθετῶν ib.22.222; τῶν δικα[στῶν] LW1539 (Erythrae). 2. overseer, superintendent, in charge of any public building or works, τοῦ νεὼ τοῦ ἐν πόλει, i.e. of the temple of Athena Polias, IG12.372; ἱεροῦ UPZ42.22 (ii B.C.); ἐ. τῶν ἔργων clerk of the works, D.18.114, LXXEx.1.11 (pl.); τῶν δημοσίων ἔργων Aeschin.3.14; τοῦ ναυτικοῦ ib.222; τῆς Ἀκαδημείας Hyp.Dem.Fr.7; τοῦ Μουσείου OGI104.4 (ii B.C.); τῶν κοπρώνων D.25.49. 3. governor, administrator, τῆς πόλεως OGI254.3 (Babylon, ii B.C.), cf. IG12(3).320.7 (Thera, iii B.C.), OGI479.7 (Dorylaeum, ii A.D.); κώμης local magistrate, Arch.Pap.4.38. 4. = προστάτης, Lat. patronus, IG14.1317. IV. in Ar.Av.437, = χυτρόπους, Ar.Byz. ap. Eust.1827.45; other explanations, ibid., cf.Sch.Ar.l.c.: τοὐπιστάτου is fr. ἐπίστατος, = πυρίστατος, Anon. ap. Eust.1827.56: dub. sens. in BpW1892.514; cf. ἐπίστατον.