Meaning of the Sanskrit Word: sanatanah

  sanatanah—eternal    Bg 8.20, Bg 11.18, Bg 15.7, SB 3.16.18, SB 4.2.31, SB 4.30.4, SB 8.8.39-40
  sanatanah—eternal.    SB 2.5.39, SB 8.14.4
  sanatanah—eternally the same.    Bg 2.24
  sanatanah—traditional or eternal    SB 10.4.39
  sanatanah—eternal    Bg 1.39

Can't find any compound Sanskrit words containing sanatanah.