Ration (noun)

1. An amount of something that is allocated to a person or group.
2. The process of allocating something.

Origin:

The word "ration" is derived from the latin word "rationem" which means "a reckoning, calculation, or reason". it is an amount of something that is allocated to a person or group, or the process of allocating something.

Examples:

1. The soldiers were given a daily ration of food.
2. During the war, rationing of gasoline was implemented.
3. The refugees were given a ration of water.
4. The ration of bread per person was reduced due to shortage.
5. The company's ration of electricity was cut by the government.