Dukedom (noun)

A territorial division ruled by a duke or duchess; a dukedom or duchy.

Origin:

From middle english dukedome, from old english dūn-cêne, from dūn + cêne (chief, noble, prince), from latin dūc-, dūx (leader).

Examples:

1. The dukedom was passed down from generation to generation.
2. The dukedom was one of the largest and wealthiest in the kingdom.
3. The dukedom was granted to the prince as a reward for his loyalty to the crown.
4. The dukedom was known for its beautiful gardens and stately homes.
5. The dukedom was a source of pride for the residents and was the subject of many folk tales.