Meaning of the Sanskrit Word: tivram

  tivram—dense    SB 3.26.20, SB 4.19.19
  tivram—very severe    SB 5.11.6, SB 10.3.36
  tivram—severe    SB 3.4.22
  tivram—terrible    SB 3.25.41
  tivram—with great speed    SB 4.22.34
  tivram—very difficult to control    SB 7.9.39
  tivram—intense    SB 6.18.59

Can't find any compound Sanskrit words containing tivram.