noun
kanji iteration mark
Refers specifically to the symbol 々, used to repeat the preceding kanji. A technical term in Japanese orthography.
See also: 々
「同の字点」は、前の漢字を繰り返すときに使う記号です。
The 'kanji iteration mark' is a symbol used to repeat the preceding kanji.
々 is the symbol itself; 同の字点 is the name of the symbol.
Compound of 同 (same) + の (possessive particle) + 字点 (character mark), literally 'same-character mark'. The exact historical derivation is uncertain, but the term describes the function of the symbol 々.