Strong's #666: 'apher (pronounced af-ayr')

from the same as 665 (in the sense of covering); a turban:--ashes.

Brown-Driver-Briggs Hebrew Lexicon:

'ăphêr

1) covering, bandage

Part of Speech: noun masculine

Relation: from the same as H665 (in the sense of covering)

Usage:

This word is used 2 times:

 

1 Kings 20:38: "by the way, and disguised himself with ashes upon his face."
1 Kings 20:41: "And he hasted, and took the ashes away from his face; and the king"