Meaning of the Sanskrit Word: asuranam

  asuranam—of the demons    SB 8.9.19, SB 8.10.16-18, SB 8.22.5
  asuranam—of the atheists    SB 1.3.16
  asuranam—unto the demons    SB 7.10.30
  asuranam—the demons    SB 8.23.6

Can't find any compound Sanskrit words containing asuranam.