Meaning of the Sanskrit Word: nastah

  naṣṭaḥ—lost    SB 3.24.37, SB 4.9.51
  naṣṭaḥ—scattered    Bg 4.2
  naṣṭaḥ—dispelled    Bg 18.73
  naṣṭaḥ—slain    SB 7.8.53
  naṣṭāḥ—were lost    SB 8.1.29
  nastaḥ—through the nostrils.    SB 2.7.11
  nastaḥ—from the nose    SB 8.5.42

Can't find any compound Sanskrit words containing nastah.