Meaning of the Sanskrit Word: ksetresu

  kṣetreṣu—in bodily fields    Bg 13.3
  kṣetreṣu—in the living entities    SB 3.7.6
  kṣetreṣu—in the gold mines    SB 7.7.21
  kṣetreṣu—within the material fields    SB 7.7.21

Can't find any compound Sanskrit words containing ksetresu.