Meaning of the Sanskrit Word: nastam

  naṣṭam—after being lost    SB 9.12.6
  naṣṭam—was annihilated    SB 9.15.16
  naṣṭam—destroyed    Madhya 6.255
  naṣṭām—lost    SB 2.2.1
  naṣṭām—which was lost    SB 4.28.64

Can't find any compound Sanskrit words containing nastam.