פִּיחַ pîyach

Meaning

a powder (as easily puffed away), i.e. ashes or dust

In the King James Version: ashes.

Derivation: from H6315 (פּוּחַ);

Where it is used

• Exodus 9:8 Then the LORD said to Moses and Aaron, “Take handfuls of soot from the furnace; in the sight of Pharaoh, Moses is to toss it into the air.
• Exodus 9:10 So they took soot from the furnace and stood before Pharaoh. Moses tossed it into the air, and festering boils broke out on man and beast.