Strong's #6615: pthayuwth (pronounced peth-ah-yooth')
from 6612; silliness (i.e. seducibility):--simple.
Brown-Driver-Briggs Hebrew Lexicon:
ּּּ
pethayûth
1) simplicity, naivete
Part of Speech: noun feminine
Relation: from H6612
Usage:
This word is used 1 times:
Proverbs 9:13: "A foolish woman is clamorous: she is simple, and knoweth nothing."