Thayer's Greek Lexicon

 1. source, origin
  1) a book of one's lineage, i.e. in which his ancestry or
progeny are enumerated
2. used of birth, nativity
3. of that which follows origin, viz. existence, life
  1) the wheel of life (Jas 3:6., other explain it, the wheel of
human origin which as soon as men are born begins to run, i.e.
its course of life