Lexical Definition

‎σκύβαλον‎ skýbalon (skoo'-bal-on) garbage ^G:N-N
neuter of a presumed derivative of ‎εἰς‎ and ‎κύων‎ and ‎βάλλω‎

dung.

• what is thrown to the dogs, i.e. refuse (ordure)

Abbott-Smith

**† σκύβαλον, -ου, τό [in LXX: Si 27:4 * ;]
refuse, esp. dung (v. MM, ii, iii, xxiii): Phl 3:8.†

Abbott-Smith References

Liddell-Scott-Jones

σκύβαλον-ον, τό,

dung, excrement, [Refs 1st c.BC+]; manure, [Refs 1st c.AD+]

__2 refuse, offal, [NT+4th c.AD+]; ἀποδειπνίδιον σ. [Refs 1st c.AD+]; ἄνδρα, πολύκλαυτον ναυτιλίης σ[Refs]; τέφρης λοιπὸν ἔτι σ[Refs 1st c.AD+]; opposed to τὸ χρήσιμον, [Refs 3rd c.BC+]; ς. χόρτου [Refs 3rd c.AD+]; σ. ἀνθρώπου [LXX]

_{LSJ Scripture Refs: Phil.3.8}