Abbott-Smith Manual Greek Lexicon
χοῦς (G5522)
2 (KJV) χοῦς , -οός acc., οῦν, ὁ , (contr. from χόος ), [in LXX chiefly for עָפָר ;] earth, soil . In later writers (Plut., LXX), = κονιορτός , dust : Mk 6:11 , Re 18:19 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain