Increment (noun)

1. An increase, especially a regular or gradual one, in amount, size, or degree.
2. The amount by which something increases.
3. A step or stages of growth or increase.

Origin:

From the latin word "incrementum" meaning "increase" or "growth".

Examples:

1. The salary increment was a welcome surprise.
2. The company announced an increment in the price of its products.
3. The increment in population has caused housing prices to rise.
4. The increment in the value of the stock was unexpected.
5. The increment in size of the tumor was a cause for concern.