Strong’s Hebrew
H6368 — piyach
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
פִּיחַ
piyach — pronounced pee'-akh
from 6315; a powder (as easily puffed away), i.e. ashes or dust:--ashes. see H06315
2 occurrences in the KJV.
Exodus 9:8
And the LORD said unto Moses and unto Aaron, Take to you handfuls of ashes of the furnace, and let Moses sprinkle it toward the heaven in the sight of Pharaoh.
Exodus 9:10
And they took ashes of the furnace, and stood before Pharaoh; and Moses sprinkled it up toward heaven; and it became a boil breaking forth with blains upon man, and upon beast.