Meaning of the Sanskrit Word: amangalam

  amaìgalam—ill fortune    SB 4.8.17
  amaìgalam—impure.    SB 6.18.47
  amaìgalam—inauspicious, inferior    SB 8.7.3
  amaìgalam—inauspicious    SB 9.19.15

Can't find any compound Sanskrit words containing amangalam.