From Wiktionary, the free dictionary
*kai
- hair, (zootomy) fur
- Old Japanese: 毛 (ke2, ka)
- Proto-Ryukyuan: *ke
- Northern Ryukyuan:
- Kikai: 毛 (xïï)
- Kunigami: 毛 (khī /kʰíː/)
- Northern Amami Ōshima: 毛 (kï, xï, xïï)
- Okinawan: 毛 (kī /kîː/)
- Okinoerabu: 毛 (hī /çíː/)
- Southern Amami Ōshima: 毛 (xïï /kʰɨ̂ˑ/)
- Tokunoshima: 毛 (kïï /kɨ́ː/)
- Yoron: 毛 (shī /ɕìː/)
- Southern Ryukyuan:
- Miyako: 毛 (kī)
- Yaeyama: 毛 (kī /kîː/)
- Yonaguni: 毛 (kī /kíː/)
- Thorpe, Maner Lawton (1983) Ryūkyūan Language History[1], Doctoral dissertation. University of Southern California, page 293