שָׁגַג (shâgagshaw-gag'verbgo astray)
[Heb] שָׁגַג, בְּשַׁגַּם ETCBC: שׁגג‎ (verb|commit error) OSHL: v.ba.aa TWOT: 2324 GK: H1417, H8704 Greek: ἀγνοέω
Derivation: a primitive root;
Strong's: to stray, i.e. (figuratively) sin (with more or less apology)
KJV: [idiom] also for that, deceived, err, go astray, sin ignorantly.