促そく音おんそくおんじ字FuriganaMeanings1noungeminate consonant; small tsulinguistics›Linguistic term for the small っ/ッ that indicates a geminate (doubled) consonant in Japanese.「がっこう」の「っ」は促そく音おんです。The small 'tsu' in 'gakkou' is a geminate consonant.
