Strong's #6550: par`osh (pronounced par-oshe')
probably from 6544 and 6211; a flea (as the isolated insect):--flea.
Brown-Driver-Briggs Hebrew Lexicon:
ּׁ
par‛ôsh
1) flea
Part of Speech: noun masculine
Relation: probably from H6544 and H6211
Usage:
This word is used 2 times:
1 Samuel 24:14: "dog, after a flea."
1 Samuel 26:20: "of Israel is come out to seek a flea, as when one doth hunt"