primogeniture
C2CEFR level
88/100Rarity: very rare
FormalRegister
General noun
The right of the firstborn, especially the eldest son, to inherit the entire estate.
Under strict primogeniture the estate passed intact to the eldest brother, leaving his siblings to fend for themselves.
Law noun
The right of the firstborn, especially the eldest son, to inherit the whole estate.
Under the old rule of primogeniture the younger sons took nothing.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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