Japanese

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For pronunciation and definitions of いたいがな – see the following entry.
異体仮名
[noun] hentaigana: any of the hiragana made obsolete in Meiji-era reforms that enforced having one hiragana for each syllable
Alternative spellings
異体がな, 異體がな
(This term, いたいがな, is the hiragana spelling of the above term.)