Meaning of the Sanskrit Word: puranah

  puranah—the oldest    Bg 2.20, SB 1.5.6, SB 6.3.30, SB 7.3.33, SB 8.1.13
  puranah—the original    SB 5.6.14, SB 5.11.13-14, SB 8.12.44
  puranah—old    Bg 11.38
  puranah—the oldest, who has no other founder    SB 3.5.50
  puranah—oldest.    SB 3.9.25
  puranah—and the puranas, the supplementary Vedas.    SB 8.7.30
  puranah—very old, or eternal    Madhya 6.254

Can't find any compound Sanskrit words containing puranah.