From Proto-Ryukyuan *ote-ᴮ (compare Miyako うてぃい゚ (/utiɿ/), Yaeyama うてぃるん (/utiruɴ/), Yonaguni うてぃるん (/utiruɴ/)), from Proto-Japonic *ə̀təi-. Cognate with Japanese 落ちる (ochiru).
うてぃゆん (utiyun)