שָׁגַג

From LSJ

ὑπὸ δὲ οἴστρου ἀεὶ ἑλκομένη ψυχή → a soul always dragged along by the fury of passion

Source

English (Strong)

a primitive root; to stray, i.e. (figuratively) sin (with more or less apology): X also for that, deceived, err, go astray, sin ignorantly.