Strong's #5304: husteresis (pronounced hoos-ter'-ay-sis)
 a falling short, i.e. (specially), penury:--want.
Thayer's Greek Lexicon:
 ̔́ 
 
  husterēsis 
 
 1) want, poverty
 
  Part of Speech: noun feminine
Relation: from G5302
  Citing in TDNT: 8:592, 1240
 
Usage:
This word is used 2 times:
Mark 12:44: "she of her  want did cast in all that she had,"
Philippians 4:11: "that I speak in respect of  want: for I have learned, in"