Meaning of the Sanskrit Word: adrstam

  adṛṣṭam—never seen    SB 4.29.64
  adṛṣṭam—never experienced    SB 4.29.67
  adṛṣṭam—future happiness    SB 4.29.2b
  adṛṣṭam—that destiny    SB 10.5.30
  adṛṣṭām—not seen    SB 3.22.18
  adṛṣṭām—invisible    SB 6.7.16

Can't find any compound Sanskrit words containing adrstam.