#author("2025-12-30T21:19:49+09:00","default:kuzan","kuzan") #author("2026-02-11T14:43:17+09:00","default:kuzan","kuzan") [[有坂秀世]] 1931 『音声の研究』第IV輯 https://dl.ndl.go.jp/pid/1870587/1/50 [[有坂秀世『国語音韻史の研究』]] [[母音交替]] [[被覆形]] [[露出形]]