Kalpa / Kappa
(कल्प)Literal Meaning
A day of Brahma; a cosmic age
Etymology & Sanskrit Root
Sanskrit 'kalpa' (aeon, order); a vast cosmic time-cycle equal to one day in the life of Brahma the creator, lasting 4.32 billion human years, at the end of which the universe dissolves and is recreated.
Spiritual Insight & Context
The sheer scale of a kalpa is meant to humble human self-importance — against a canvas of billions of years, personal worries shrink into their true, transient proportion.