劫

eternity

mahakalpa

forevermore

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

eternal recurrence

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

eternity

ko threat

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

Jinkōki (1627 Japanese mathematics text by Yoshida Kōyū)

incomprehensibly long time

the kalpa of nothingness (the final aeon of the universe)

world-destroying conflagration

eternity

troublesome

to show unwillingness (to do)

time immemorial

the kalpa of destruction (the third aeon of the universe)

robbery

to become skilled through years of experience

eternal punishment

kalpa (eon, aeon)

pillage

long time

aeons