accumulation

Most generally, the accumulation of capital refers simply to the gathering or amassment of objects of value; the increase in wealth; or the creation of wealth. Capital can be generally defined as assets invested for profit.In economics, accounting and Marxian economics, capital accumulation is often equated with investment, especially in  real capital goods. The concentration and centralisation of capital are two of the results of such accumulation (see below).But capital accumulation can refer variously to
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n. accumulation, build up, collection; accretion, gathering; inurement, drift

(n.)
The concurrence of several titles to the same proof.
  

(n.)
The act of accumulating, the state of being accumulated, or that which is accumulated; as, an accumulation of earth, of sand, of evils, of wealth, of honors.
  

noun
(i) act of accumulating; (ii) material which has accumulated; the drug aims at clearing the accumulation of fatty deposits in the arteries