Meaning of the Sanskrit Word: vaikuntham

  vaikuntham—in the spiritual sky    SB 3.14.48
  vaikuntham—the Vaikuntha planet    SB 3.16.27
  vaikuntham—the Lord    SB 4.12.43
  vaikuntham—as Sri Krsna only    SB 10.13.38

Can't find any compound Sanskrit words containing vaikuntham.