Strong G2868 κονιορτός koniortos · dust

Luke

1. Luke 9:5
   And whosoever will not receive you, when ye go out of that city, shake off the very dust from your feet for a testimony against them.
2. Luke 10:11
   Even the very dust of your city, which cleaveth on us, we do wipe off against you: notwithstanding be ye sure of this, that the kingdom of God is come nigh unto you.