さ゚

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さ゚

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• IPA^(key): [t͡sa̠]

さ゚ • (tsa) 

1. (obsolete) The hiragana syllable さ゚ (tsa). Its equivalent in katakana is サ゚ (tsa).

This character was commonly used during the Edo period to transcribe the /tsa/ sound, which is now done with modern-day つぁ. It is thought to have been obsolete by 1840.