In Japan, the term kirishitan (written in Edo period documents 吉利支丹, 切支丹, and in modern Japanese histories as キリシタン), from Portuguese cristão, referred to Roman Catholics in the <answer>16th and 17th centuries</answer> before the religion was banned by the Tokugawa shogunate. Today, Christians are referred to in Standard Japanese as キリスト教徒, Kirisuto-kyōto or the English-derived term クリスチャン kurisuchan.
When was the term kirishitan used by the Japanese?
16th and 17th centuries