When Christianity arrived in Japan in the 16th century, the object of worship venerated by the Christians, 'Deus', was referred to as the 'Lord of Heaven' and the like, and was treated as a separate deity from the deities of both Shinto and Buddhism.
16世紀にキリスト教が日本に入ってきた時、キリスト教で信仰の対象となるものは「デウス」「天主」などと呼ばれ、神道の神とは（仏教の仏とも）別のものとされた。