Reconstruction:Proto-Ryukyuan/itoko

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

Cognate with Japanese 従兄弟 (itoko, “cousin”), but whether it's inherited from Proto-Japonic is unclear due to irregular phonetic developments.

Noun

*itoko?

1. cousin

Descendants

• Northern Ryukyuan:
  • → Kikai: 従兄弟, 従姉妹, 愛子 (ituku)
  • Kunigami: 従兄弟, 従姉妹, 愛子 (hichīkū)
  • → Northern Amami Ōshima: 従兄弟, 従姉妹, 愛子 (itoko)
  • Okinawan: 従兄弟, 従姉妹, 愛子 (ichuku)
  • → Okinoerabu: 従兄弟, 従姉妹, 愛子 (itoko)
  • → Southern Amami Ōshima: 従兄弟, 従姉妹, 愛子 (itoko)
  • → Tokunoshima: 従兄弟, 従姉妹, 愛子 (itōko)
  • Yoron: 従兄弟, 従姉妹, 愛子 (ichū)
• → Southern Ryukyuan: *ituku
  • Miyako: 従兄弟, 従姉妹, 愛子 (ichifu)
  • Yaeyama: 従兄弟, 従姉妹, 愛子 (ichifu)
  • Yonaguni: 従兄弟, 従姉妹, 愛子 (itigu, ichigu)