C2 noun /ˌpraɪmoʊˈdʒɛnɪtʃər/
primogeniture
primogéniture
Meaning
The right of the firstborn child to inherit the family estate or title.
Example
Under primogeniture, the eldest son inherited the entire estate.
Sous la primogéniture, le fils aîné a hérité de l'ensemble du domaine.