劫 - threat, long ages

Jinkōki (1627 Japanese mathematics text by Yoshida Kōyū)

robbery; robber

eternal punishment

world-destroying conflagration

pillage; plunder

eternal recurrence; eternal return

the kalpa of existence (the second aeon of the universe)

the kalpa of formation (the first aeon of the universe)

the four kalpa (formation, existence, destruction, nothingness)

aeons; eons; long time

kalpa (eon, aeon)

eternity; through all eternity; for evermore; for many generations to come