holy water.

Numbers 19:2-9
"This is the statute of the law that the LORD has commanded: Instruct the Israelites to bring you an unblemished red heifer that has no defect and has never been placed under a yoke. . . .

Exodus 30:18
"You are to make a bronze basin with a bronze stand for washing. Set it between the Tent of Meeting and the altar, and put water into it,

of the dust

Job 2:12
When they lifted up their eyes from afar, they could barely recognize Job. They began to weep aloud, and each man tore his robe and threw dust into the air over his head.

Jeremiah 17:13
O LORD, the hope of Israel, all who abandon You will be put to shame. All who turn away will be written in the dust, for they have abandoned the LORD, the fountain of living water.

Lamentations 3:29
Let him bury his face in the dust--perhaps there is still hope.

John 8:6, 8
They said this to test Him, in order to have a basis for accusing Him. But Jesus bent down and began to write on the ground with His finger. . . .