Strong's #841: autarkeia (pronounced ow-tar'-ki-ah)
 from 842; self-satisfaction, i.e. (abstractly) contentedness, or (concretely) a competence:--contentment, sufficiency.
Thayer's Greek Lexicon:
 ̓́ 
 
  autarkeia 
 
 1) a perfect condition of life in which no aid or support is needed
 2) sufficiency of the necessities of life
 3) a mind contented with its lot, contentment
 
  Part of Speech: noun feminine
Relation: from G842
  Citing in TDNT: 1:466, 78
 
Usage:
This word is used 2 times:
2 Corinthians 9:8: "you; that ye, always having all  sufficiency in all"
1 Timothy 6:6: "But godliness with  contentment is great gain."