Meaning of the Sanskrit Word: adhruvam

  adhruvam—not sure    SB 7.13.6
  adhruvam—nonreality    SB 1.13.44
  adhruvam—temporary.    Bg 17.18
  adhruvam—as temporary    SB 8.22.11
  adhruvam—impermanent, temporary    SB 7.6.1

Can't find any compound Sanskrit words containing adhruvam.