Primogeniture (noun)

The state of being the firstborn child; the right of the firstborn child to inherit the entire estate of the parent.

Origin:

Mid 16th century: from old french, or from latin primogenitura, from primus "first" + genitura "birth", from genitus "begotten".

Examples:

1. The eldest son inherited the estate by virtue of primogeniture.
2. Primogeniture was abolished in the country in the late 19th century.
3. The principle of primogeniture was a key aspect of medieval inheritance laws.
4. The primogeniture was a way to ensure that the family property stayed within the family.
5. The primogeniture had a major impact on the distribution of wealth.