Strong's #6356: pchetheth (pronounced pekh-eh'-theth)
from the same as 6354; a hole (by mildew in a garment):--fret inward.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
pechetheth
1) a boring or eating out, hole, hollow
1a) of leprous decay in garment
Part of Speech: noun feminine
Relation: from the same as H6354
Usage:
This word is used 1 times:
Leviticus 13:55: "thou shalt burn it in the fire; it is fret inward, whether it be bare within or without."