Meaning of the Sanskrit Word: puresu

  puresu—within these residential places or bodies    SB 7.14.37
  puresu—at those three residences occupied by the demons    SB 7.10.57
  puresu—holy places like Ayodhya, Dvaraka, Mathura, etc.    SB 3.1.18

Can't find any compound Sanskrit words containing puresu.