Income (noun)

1. Money received, especially on a regular basis, for work or through investments.
2. The amount of money received in a particular period of time.
3. The money that a person or organization earns from their business or investments over a particular period.

Origin:

Late middle english: from old french encombre, from en- "in" + combre "occupation", from latin incumbere "lean or press upon", from in- "on" + a second element of unknown origin.

Examples:

1. His income was not enough to support his family.
2. Her income has increased significantly in the last year.
3. The company's income has been declining.
4. The government is trying to increase the income of the poor.
5. The income from the investment was used to pay for the trip.