Abbott-Smith Manual Greek Lexicon
κονιορτός (G2868)
5 κονιορτός , -οῦ, ὁ ( κόνις or κονία , dust , ὄρνυμι , to stir up ), [in LXX for אָבָק , etc.;] in cl., dust stirred up ( Ex 9:9 , Is 5:24 ); in NT, simply dust : Mt 10:14 , Lk 9:5 10:11 , Ac 13:51 22:23 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain