שָׁוא שַׁו
shav' (shawv) (or shav {shav}) n-m.
1. evil (as destructive), literally (ruin) or morally (especially guile)
2. figuratively idolatry (as false, subjective), uselessness (as deceptive, objective
3. also adverbially, in vain)
[from the same as H7722 in the sense of desolating]
KJV: false(-ly), lie, lying, vain, vanity.
Root(s): H7722
H7722