Lexical Definition

‎χόος‎ chóos (kho'-os) dust G:N-M
from the base of ‎χειμών‎

dust.

Usage: 9 forms in 46 verses
Form Translated As     In Verse(s)
χρυσήν golden LXX.Esth.5.2
χοῦν dust Mark.6.11Rev.18.19
χούσ dust LXX.Neh.4.10
χούν dust LXX.Ps.44.25
your dust LXX.Ezek.26.12
χοόσ dust LXX.Eccl.3.20
χοϊ dust LXX.2Sam.16.13
χουσ dust LXX.Deut.28.24LXX.1Kgs.20.10LXX.Ps.30.9LXX.Eccl.12.7LXX.Isa.48.19
we are dust LXX.Ps.103.14
χουν dust LXX.Gen.2.7LXX.Lev.14.41LXX.Lev.14.42LXX.Lev.14.45LXX.Josh.7.6LXX.2Sam.22.43LXX.1Kgs.18.38LXX.2Kgs.13.7LXX.2Kgs.23.6LXX.2Kgs.23.15LXX.2Chr.1.9LXX.Job.39.14LXX.Ps.7.5LXX.Ps.18.42LXX.Ps.22.15LXX.Ps.72.9LXX.Ps.78.27LXX.Eccl.3.20LXX.Isa.49.23LXX.Isa.52.2LXX.Lam.2.10LXX.Amos.2.7LXX.Mic.7.17LXX.Zeph.1.17LXX.Zech.9.3
her dust LXX.Ps.102.14LXX.Ezek.26.4
its dust LXX.2Kgs.23.6
their dust LXX.2Kgs.23.4LXX.2Kgs.23.12LXX.Ps.104.29
χνουσ dust LXX.Ps.35.5

Abbott-Smith

χοῦς, -οός acc., οῦν, ὁ, (contr. from χόος), [in LXX chiefly for עָפָר ;]
1. earth, soil.
2. In later writers (Plut., LXX), = κονιορτός, dust: Mk 6:11, Re 18:19.†

Abbott-Smith References

Book Refs
Mark 6:11
Revelation 18:19

Liddell-Scott-Jones

χόος, ,

also

__B[Refs 1st c.BC+]: (χέω):— soil excavated or heaped up, χ. ἐξορυχθείς [Refs 5th c.BC+] (un contraction χόου [Refs]; also (from confusion with χόος A) genitive χοός [LXX+2nd c.AD+]; dative χοΐ [Refs 2nd c.BC+]
__B.2 ={κονιορτός}, dust, [LXX+NT]
__B.3 χόος θανάτου the grave, [LXX+5th c.AD+]

LSJ Scripture Refs: LXX.1Kgs.18.38Mark.6.11LXX.Ps.21.16*