Rare linguistic term. In Japanese grammar, it typically refers to words like 自分, 自身, or 自己 when used reflexively.
自分 is sometimes considered one of the reflexive pronouns in Japanese.
再帰代名詞 is a more common term for 'reflexive pronoun' in Japanese linguistics. 反射指示代名詞 is a rarer synonym.
Compound of 反射 (reflection) + 指示 (demonstrative) + 代名詞 (pronoun). A calque from Western linguistic terminology.