Aven
   nothingness; vanity. (1.) Hosea speaks of the "high places of
   Aven" (10:8), by which he means Bethel. He also calls it
   Beth-aven, i.e., "the house of vanity" (4:15), on account of the
   golden calves Jeroboam had set up there (1 Kings 12:28).
   
     (2.) Translated by the LXX. "On" in Ezek. 30:17. The Egyptian
   Heliopolis or city of On (q.v.).
   
     (3.) In Amos 1:5 it denotes the Syrian Heliopolis, the modern
   Baalbec.
   

Aven, iniquity; force; riches; sorrow