See also:

U+309E, ゞ
HIRAGANA VOICED ITERATION MARK
Composition: [U+309D] + ◌゙ [U+3099]

[U+309D]
Hiragana
[U+309F]

Japanese edit

Etymology edit

+ .

Iteration mark edit

 

  1. (dated) An iteration mark denoting the repetition of the previous hiragana, with a dakuten applied (denoting that it is voiced).
    あひAhibiki
    いすIsuzu