二の字点
にのじてん
iteration mark used to represent repetition of the previous kanji (to be read using its kun'yomi)
二字 is read as にじ (niji) and means two characters.
にじ
niji
にのじてん
iteration mark used to represent repetition of the previous kanji (to be read using its kun'yomi)
Real usage of this vocabulary in character names and anime titles on Anime.Jepang.org.