Parārdha—one half of Brahmā's lifetime of 311 trillion 40 billion years.Prabhupada ›Glossary›-P-›Parardha-one half of Parardha-one half of Brahma's lifetime of 311 trillion 40 billion years. Link to this page: https://prabhupadabooks.com/glossary/p/parardha-one-half-of-brahma-s-lifetime-of-311-trillion-40-bi Previous: Parantapa-a name of Arjuna, "chastiser of the enemies." Next: Parasara Muni-a great sage, the speaker of the Visnu Purana, and the father of Srila Vyasadeva.