proper noun
🇺🇸
/ˌprɑːpər ˈnaʊn/
🇬🇧
/ˌprɒpə ˈnaʊn/
a name for a specific person, place, or thing that always starts with a capital letter
In the sentence 'Paris is beautiful', 'Paris' is a proper noun because it names a specific city.
文「パリは美しい」の中で、「パリ」は特定の都市を指すため、固有名詞です。