Strong’s Hebrew
H7539 — riqqabown
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
רִקָּבוֹן
riqqabown — pronounced rik-kaw-bone
from 7538; decay (by caries):--rotten. see H07538
1 occurrence in the KJV.
Job 41:27
He esteemeth iron as straw, and brass as rotten wood.