What does amount mean?
The definition of amount
A*mount”, v. i.
[imp. & p. p. Amounted; p. pr. & vb. n. Amounting.]
Etym: [OF. amonter to increase, advance, ascend, fr. amont (equiv. to L. ad montem to the mountain) upward, F. amont up the river. See Mount, n.]

1 To go up; to ascend. [Obs.] So up he rose, and thence amounted straight. Spenser.
2 To rise or reach by an accumulation of particular sums or quantities; to come (to) in the aggregate or whole; — with to or unto.
3 To rise, reach, or extend in effect, substance, or influence; to be equivalent; to come practically (to); as, the testimony amounts to very little.

A*mount”, v. t.
To signify; to amount to. [Obs.]
A*mount”, n.
1 The sum total of two or more sums or quantities; the aggregate; the whole quantity; a totality; as, the amount of 7 and 9 is 16; the amount of a bill; the amount of this year’s revenue.
2 The effect, substance, value, significance, or result; the sum; as, the amount of the testimony is this. The whole amount of that enormous fame. Pope.