A.“θῦον” Od.15.222, Ion. “θύεσκον” Hippon. 37: fut. θύσω [υ_] E.El.1141, Pl.Lg.909d, Henioch.5.10, Dor. “θυσῶ” Theoc. 2.33; 3pl. “θυσέοντι” IG12(3).452 (Thera): aor. “ἔθυ_σα” Od.9.231, etc., Ep. “θῦσα” 14.446: pf. “τέθυ^κα” Ar.Lys.1062, Pl.R.328c:—Med., fut. “θύσομαι” E.Heracl.340 (as Pass., Hdt.7.197): aor. “ἐθυσάμην” Th.4.92, (ἐκ-) Hdt.6.91, etc.:—Pass., fut. “τυ^θήσομαι” D.S.16.91, Luc. DDeor.4.2: aor. ἐτύθην [υ^] Hdt.1.216, A.Ch.242, Philem.155.2 (part. written “θυθέν” Men.Sam.185, cf. “τὴν βοῦν τὴν θυθεῖσαν” IG12(7).241 (Amorgos, iii B.C.), etc.): pf. “τέθυ^μαι” A.Eu.341 (lyr.), Ar.Av.1034, X. HG3.5.5 (in med. sense, 5.1.18, An.7.8.21): plpf. “ἐτέθυ^το” Id.HG3.1.23. [υ_ in fut. and aor., υ^ in pf. Act. and Pass., and aor. Pass.; υ_ generally in pres. and impf., exc. in trisyll. cases of part., θυ^οντα Od.15.260, “θύ^οντες” h.Ap.491, but “θύ^εσκε” Hippon. 37; ἔθύ^ε, θύ^ων, Pi. O.10(11).57,13.69; θύ^ειν, at the end of a line, E.El.1141 (s.v. l., fort. θύη), Cyc.334, Ar.Ach.792 (spoken by a Megarian); θύ^εις, θύ^ω, Strato Com.1.19, 20; θύ^ωντι 3pl. pres. subj., Theoc.4.21.]
I. Act., offer by burning meat or drink to the gods (“τὸ θύειν δωρεῖσθαί ἐστι τοῖς θεοῖς” Pl.Euthphr.14c), “θεοῖσι δὲ θῦσαι ἀνώγει Πάτροκλον . . , ὁ δ᾽ ἐν πυρὶ βάλλε θυηλάς” Il.9.219, cf. Aristarch. ap. Sch.adloc., Com.Adesp.7D. (ap. Phryn.PSp.74 B.); ἦ ῥα καὶ ἄρ γματα θῦσε θεοῖς, of a drink-offering, Od.14.446, cf. 15.260; so ἔνθα δὲ πῦρ κήαντες ἐθύσαμεν (sc. τῶν τυρῶν) made an offering of cheese, 9.231; “θ. ἀκρόθινα” Pi.O.10(11).57; πέλανον, δεῖπνα, A.Pers.204, Eu.109; πυρούς, ναστούς, Ar.Av.565, 567: c. dat. rei, θ. τούτῳ ὅ τι ἔχοι ἕκαστος (with v.l. τοῦτο) Hdt.1.50.
2. sacrifice, slay a victim, [τῷ ἡλίῳ] θ. ἵππους (v.l. ἵπποισι) ib. 216; “ταῦρον” Pi.O.13.69; “αὑτοῦ παῖδα” A.Ag.1417, cf. S.El.532, etc.; “ἱρά” Hdt.1.59; “ἱερεῖα” Th.1.126, etc.; θ. θῦμα, θυσίαν, Pl.Plt.290e, R. 362c, etc.; θ. διαβατήρια, ἐπινίκια, etc., Plu.Luc.24, Pl.Smp.173a, etc.:—Pass., τὰ τεθυμένα the flesh of the victim, X.HG4.3.14, etc.; τὰ τεθ. ἱερά ib.3.5.5; “τὰ θυόμενα” Id.Lac.15.3.
3. abs., offer sacrifice, Hdt.1.31.al., A.Ag.594, Fr.161.2, S.OC1159; τοῖσι θεοῖσι θ. Pherecr. 23, cf. Hdt.4.60, 8.138; “θεῶν ἕνεκα” Men.129.1.
4. celebrate with offerings or sacrifices, σῶστρα θ. Hdt.1.118; “γενέθλια” Pl.Alc.1.121c; “Λύκαια, Ἡράκλεια” X.An.1.2.10, D.19.86; “ἐλευθέρια” Henioch.5.10; “γάμους” Plu.Pomp.55.
6. Ἑστίᾳ θύειν, prov. of niggards, because sacrifices to Hestia admitted no one to share the offering, Theopomp.Com.28.
II. Med., cause a victim to be offered, “τῶν θυμάτων ὧν δεῖ θύεσθαι καὶ παρίστασθαι” IG5(1).1390.65 (Andania, i B.C.), etc.: hence freq. abs., consult the gods, Hdt.7.189, E.Heracl.340; ἐπὶ Κρότωνα, ἐπὶ τῷ Πέρσῃ, i.e. on marching against . . , Hdt.5.44, 9.10, cf. X.An.7.8.21; θύεσθαι ἐπ᾽ ἐξόδῳ ib. 6.4.9; ὑπὲρ τῆς μονῆς ib.5.6.27: c. inf., θ. ἰέναι offer sacrifice [to learn] whether to go or not, ib.2.2.3; also ἐθυόμην εἰ βέλτιον εἴη ib.6.1.31 (so in Act., ἔθυε (v.l. ἐθύετο) τῷ Διί . . πότερά οἱ λῷον καὶ ἄμεινον εἴη . . ib.7.6.44); διαβατήρια θύεσθαι, as in Act., Th.5.54.