Lexical Definition

‎θύω‎ thýō (thoo'-o) to sacrifice ^G:V
a primary verb

kill, (do) sacrifice, slay.

• properly, to rush (breathe hard, blow, smoke), i.e. (by implication) to sacrifice (properly, by fire, but genitive case)
• by extension to immolate (slaughter for any purpose)

Abbott-Smith

θύω, [in LXX chiefly for זבח, also for שׁחט, etc.;] as in cl.;
1. to offer first fruits to a god.
2. to sacrifice by slaying a victim, offer sacrifice: Ac 14:13; c. dat. pers., Ac 14:18; id. c. acc. rei, I Co 10:20.
3. to slay, kill: Jo 10:10, Ac 10:13 11:7; c. acc. rei, Lk 15:23, 27, 30; pass., Mt 22:4; τὸ πάσχα (Ex 12:21), Mk 14:12; pass., Lk 22:7, I Co 5:7.†

Abbott-Smith References

Liddell-Scott-Jones

θύω,

__Aimperfect ἔθυον, Epic dialect θῦον [Refs 8th c.BC+], Ionic dialect θύεσκον [Refs 6th c.BC+]future θύσω [ῡ] [Refs 5th c.BC+], Doric dialect θυσῶ [Refs 3rd c.BC+]; 3rd.pers. plural θυσέοντι [Refs]: aorist ἔθῡσα [Refs 8th c.BC+], Epic dialect θῦσα [Refs]: perfect τέθῠκα [Refs 5th c.BC+]:—middle, future θύσομαι [Refs 5th c.BC+] (as passive, [Refs 5th c.BC+]: aorist ἐθυσάμην [Refs 5th c.BC+]:—passive, future τῠθήσομαι [Refs 1st c.BC+]aorist ἐτύθην [ῠ] [Refs 5th c.BC+] (participle written θυθέν [Refs 4th c.BC+]: perfect τέθῠμαι [Refs 5th c.BC+]: pluperfect ἐτέθῠτο [Refs]. [ῡ in future and aorist, ῠ in perfect active and passive, and aorist passive; ῡ generally in present and imperfect, except in trisyllable cases of participle, θῠοντα [Refs 8th c.BC+]; ἔθύ?\~Xε, θύ?\~Xων, [Refs 5th c.BC+]; θύ?\~Xειν, at the end of a line, [Refs 5th c.BC+]; θύ?\~Xεις, θύ?\~Xω, [Refs 3rd c.BC+]; θύ?\~Xωντι 3rd.pers. plural present subjunctive, [Refs 3rd c.BC+]
__A.I active, offer by burning meat or drink to the gods (τὸ θύειν δωρεῖσθαί ἐστι τοῖς θεοῖς [Refs 8th c.BC+]; ἦ ῥα καὶ ἄρ γματα θῦσε θεοῖς, of a drink-offering, [Refs 8th c.BC+]; so ἔνθα δὲ πῦρ κήαντες ἐθύσαμεν (i.e. τῶν τυρῶν) made an offering of cheese,[Refs 5th c.BC+]; πέλανον, δεῖπνα, [Refs 4th c.BC+]; πυρούς, ναστούς, [Refs 5th c.BC+]
__A.I.2 sacrifice, slay a victim, [τῷ ἡλίῳ] θ. ἵππους (variant{ἵπποισι})[Refs 5th c.BC+]; θ. θῦμα, θυσίαν, [Refs 5th c.BC+]; θ. διαβατήρια, ἐπινίκια, etc., [Refs 5th c.BC+] —passive, τὰ τεθυμένα the flesh of the victim, [Refs 5th c.BC+]; τὰ τεθ. ἱερά[Refs]
__A.I.2.b simply, slaughter, [LXX+5th c.BC+]
__A.I.3 absolutely, offer sacrifice, [Refs 5th c.BC+]; τοῖσι θεοῖσι θ. [Refs 5th c.BC+]
__A.I.4 celebrate with offerings or sacrifices, σῶστρα θ. [Refs 5th c.BC+]
__A.I.5 with doubleaccusative, εὐαγγέλια θ. ἑκατὸν βοῦς sacrifice a hundred oxen for the good news, [Refs 5th c.BC+]
__A.I.6 Ἑστίᾳ θύειν, proverbial of niggards, because sacrifices to Hestia admitted no one to share the offering, [Refs 5th c.BC+]
__A.II middle, cause a victim to be offered, τῶν θυμάτων ὧν δεῖ θύεσθαι καὶ παρίστασθαι [Refs 1st c.BC+], etc.: hence frequently absolutely, consult the gods, [Refs 5th c.BC+]; ἐπὶ Κρότωνα, ἐπὶ τῷ Πέρσῃ, i.e. on marching against.. , [Refs 5th c.BC+]infinitive, θ. ἰέναι offer sacrifice [to learn] whether to go or not, [Refs]active, ἔθυε (variant{ἐθύετο}) τῷ Διί.. πότερά οἱ λῷον καὶ ἄμεινον εἴη.. [Refs]; διαβατήρια θύεσθαι, as in active, [Refs 5th c.BC+]
__A.II.2 metaphorically, tear in pieces, of wild beasts, [Refs 4th c.BC+], cf. Sanskritdhūmás, Latin fumus 'smoke', θυμιάω, θύος, θυήλημα, τύφω, perhaps θεῖον (A), Latin suffire; compare {θύω})

_{LSJ Scripture Refs: LXX.Isa.22.13}