Meaning of the Sanskrit Word: manvantarani

  manvantarāṇi—the reign of the Manus    SB 2.10.4
  manvantarāṇi—different advents of Manus    SB 3.10.30
  manvantarāṇi—periods of Manu    SB 8.14.11
  manvantarāṇi—all about the periods of the various Manus    SB 9.1.1

Can't find any compound Sanskrit words containing manvantarani.