กัลปาวสาน

Etymology
From 🇰🇲.

Noun

 * 1) the period of time from the beginning to the end of a kalpa, equal to 4,320,000,000 years.
 * 2)  very long period of time, indefinitely long period of time, time incalculable, age, forever and a day; forever, eternity, perpetuity.