Reconstruction:Proto-Ryukyuan/nanuka

Etymology
From.

Numeral

 * 1) seven days

Descendants

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