Meaning of the Sanskrit Word: apratarkyam

  apratarkyam—inconceivable, not within the jurisdiction of material arguments    SB 8.5.26
  apratarkyam—inexplicable    SB 8.10.16, SB 8.10.17, SB 8.10.18, SB 8.10.16-18

Can't find any compound Sanskrit words containing apratarkyam.