1. grow; spread
1. Buddhism began to proliferate rapidly within a few years of the Buddha's death.
2. It is well-known that rabbits proliferate at an incredible rate.
proles (offspring)#ferre (to bear) (Latin)
pro + life + rate: increase in rate of production (pro) of life (living organisms) causes population to increase rapidly PRO+LIFE+RATE--> promote life rate life rate=its always increasing