'aven (Hebrew #205)
strictly nothingness; also trouble. vanity, wickedness; specifically an idol
KJV usage: affliction, evil, false, idol, iniquity, mischief, mourners(-ing), naught, sorrow, unjust, unrighteous, vain ,vanity, wicked(-ness). Compare 369.
Pronounce: aw-ven'
Origin: from an unused root perhaps meaning properly, to pant (hence, to exert oneself, usually in vain; to come to naught)