ματαιότης (mataiótēs|mat-ah-yot'-ace|noun|emptiness)
[Grk] ματαιότης LN: 65.37 GK: G3470 Hebrew: הֶבֶל‎, הַוָּה‎, רִיק‎, שָׁוְא‎
Derivation: from μάταιος;
Strong's: inutility; figuratively, transientness; morally, depravity
KJV: --vanity.
See: μάταιος