Meaning of the Sanskrit Word: durapam

  durāpam—difficult to obtain    SB 4.23.27, SB 6.9.48, Adi 4.153, Adi 4.156, Madhya 21.112
  durāpam—although it is very difficult to obtain    SB 4.9.19
  durāpām—very difficult to achieve.    SB 3.1.31

Can't find any compound Sanskrit words containing durapam.