Reconstruction:Proto-Ryukyuan/osu

Etymology
From.

Noun

 * 1) mortar

Descendants

 * Northern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan: