שָׁוְאshâvᵉʼStrong's H7723

evil (as destructive), literally (ruin) or morally (especially guile); figuratively idolatry (as false, subjective), uselessness (as deceptive, objective; also adverbially, in vain)

Derivation: or שַׁו; from the same as שׁוֹא (H7722) in the sense of desolating