toponymy

/təˈpɑnəmi/
noun
  1. The study of place names, including their origins, meanings, and usage.
    • She wrote her thesis on the toponymy of coastal towns in New England.
    • The professor's lecture on toponymy explained why many rivers have similar names across Europe.
    • Toponymy helps historians understand how ancient cultures named their settlements.
  2. The system of place names in a particular region or language.
    • The local toponymy reflects the area's history of farming and mining.
    • The toponymy of Australia includes many words borrowed from Aboriginal languages.
    • Studying the toponymy of a region can reveal patterns of migration and conquest.