NNihongo no kigen to gogenNihongo no kigen to gogende Shichirō MurayamaMateriasJapanese languageEtymologyEdiciones (1)Nihongo no kigen to gogen (1988)Sanʼichi Shobō · japonésMás obras de Shichirō MurayamaRRoshia bengoRoshia bengoNNihongo no tanjōNihongo no tanjōKKokugogaku no genkaiKokugogaku no genkai