Lexical Definition

‎ὀψώνιον‎ opsṓnion (op-so'-nee-on) compensation ^G:N-N
neuter of a presumed derivative of the same as ‎ὀψάριον‎

wages.

• rations for a soldier, i.e. (by extension) his stipend or pay

Abbott-Smith

**† ὄψώνιον, -ου, τό (< ὄψον—v.s. ὀψάριον—and ὠνέομαι), [in LXX: I Es 4:56, I Mac 3:28 14:32*;]
1. provisions, provision-money, soldiers' pay: Lk 3:14, I Co 9:7.
2. Generally, wages, hire: II Co 11:8; ὄ. τῆς ἁμαρτίας, Ro 6:23 (v. Deiss, BS, 148, 266).†

Abbott-Smith References

Liddell-Scott-Jones

ὀψώνιον, τό,

(ὄψον, ὠνέομαι) salary, reckoned in money, τό τε ὀ. καὶ σιτομετρίαν καὶ τὸ ἔλαιον [Refs 3rd c.BC+]; μετρήματα καὶ ὀ. corn- and money-payments, [Refs 2nd c.BC+]; φυλακιτῶν [Refs 3rd c.BC+]; of a bank clerk, [Refs 3rd c.BC+]; χωρὶς ὀψωνίων, of unsalaried services, [Refs 1st c.BC+]

__2 a policeman's pay, [Refs 3rd c.BC+]; frequently a soldier's pay, [Refs 3rd c.BC+]: so in plural, pay of an army, [LXX+4th c.BC+]
__3 allowance paid to a victorious athlete, [Refs 2nd c.AD+]; allowance or scholarship paid to a music-student, προδοῦναί μοι τὸ ὀ. καὶ τὸ κατὰ μῆνα ἀνάλωμα [Refs 3rd c.BC+]; allowance to a son or daughter, [Refs 1st c.AD+]; to a slave, distinguished from ἱματις μός, [Refs 3rd c.BC+]
__4 wages of labour, τὰ σώματα ἐνοχλεῖ ἡμᾶς τὰ ὀ. ἀπαιτοῦντα [Refs 3rd c.BC+]; ἀρτάβην κριθῆς εἰς λόγον ὀψωνίων [Refs 3rd c.AD+] the wages of sin, [NT]
__5 a magician's fee, [Refs]
__6 gratuity to tax-farmers, [Refs]
__7 ={ὄψον} [Refs]obsonium), τῶν ἀνηλωμάτων πάντων σίτου καὶ ὀψωνίων [Refs 2nd c.BC+]—The word is rejected by [Refs 4th c.BC+]

_{LSJ Scripture Refs: Rom.6.23}