kalpa
/ˈkælpə/ or /ˈkɑːlpə/ (KAL-pə or KAHLP-ə)
Definitions
1. noun
A unit of time in Hindu mythology, equivalent to about 4.32 billion years, or one day of Brahma
“The Earth’s creation is believed to be one kalpa in Hindu mythology, marking the beginning of a new cycle of creation.”