Reconstruction:Proto-Ryukyuan/osu

This Proto-Ryukyuan entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Ryukyuan

Etymology

From Proto-Japonic *osu (“mortar”).

Noun

*osu

1. mortar

Descendants

• Northern Ryukyuan:
  • Kikai: 臼, 碓 (usu)
  • Kunigami: 臼, 碓 (ushi, ushī)
  • Northern Amami Ōshima: 臼, 碓 (usï)
  • Okinawan: 臼, 碓 (ūshi)
  • Okinoerabu: 臼, 碓 (ushi)
  • Southern Amami Ōshima: 臼, 碓 (usï)
  • Tokunoshima: 臼, 碓 (usï)
  • Yoron: 臼, 碓 (ushi)
• Southern Ryukyuan:
  • Miyako: 臼, 碓 (usï)
  • Yaeyama: 臼, 碓 (usï)
  • Yonaguni: 臼, 碓 (uchi)