Strong's #7683: shagag (pronounced shaw-gag')
a primitive root; to stray, i.e. (figuratively) sin (with more or less apology):--X also for that, deceived, err, go astray, sin ignorantly.
Brown-Driver-Briggs Hebrew Lexicon:
ׁ
shâgag
1) to go astray, err, commit sin or error
1a) (Qal)
1a1) to err (mentally)
1a2) to sin (ignorantly or inadvertently)
Part of Speech: verb
Relation: a primitive root
Usage:
This word is used 4 times:
Leviticus 5:18: "him concerning his ignorance wherein he erred and knew it not, and it shall be forgiven"
Numbers 15:28: "shall make an atonement for the soul that sinneth ignorantly, when he sinneth by ignorance before the LORD,"
Job 12:16: "With him is strength and wisdom: the deceived and the deceiver"
Psalms 119:67: "Before I was afflicted I went astray: but now have I kept thy word."