also: おことてん
diacritical marks for reading classical Chinese
A system of marks added to Chinese texts to indicate Japanese word order and grammatical endings, used in the traditional reading of kanbun. The term is technical and primarily encountered in historical or linguistic contexts.
漢文の教科書にはヲコト点が振ってある。
The classical Chinese textbook has ヲコト点 marks added.
Standard katakana spelling; usually written in kana.
Kanji spelling using 乎古止; also readable as おことてん.
Rare kanji spelling; the reading おことてん is itself rare.
Named for the marks indicating Japanese function words such as ヲ and コト that were added around Chinese characters to guide their Japanese reading.