Meaning of the Sanskrit Word: susrusatam

  susrusatam—those who are receptive    SB 1.18.15
  susrusatam—of those eager to hear    SB 2.3.14
  susrusatam—for those who are always engaged in the service    SB 7.8.42
  susrusatam—who are engaged in your service    SB 9.1.4

Can't find any compound Sanskrit words containing susrusatam.