Where does “kay” come from?

kay (Manx) comes from Portuguese céo, from Proto-Celtic *kiwos, from Proto-Indo-European (s)ḱih₃-wó-s, from Proto-Indo-European (s)ḱeh₃- — darkness, shadow.

kay (Manx): fog

Definitions

  1. fog

Ancestry of “kay”, step by step

StepLanguageWordMeaning
1PortuguesecéoSuperseded spelling of céu
2Proto-Celtic*kiwos
3Proto-Indo-European(s)ḱih₃-wó-s
4Proto-Indo-European(s)ḱeh₃-darkness, shadow

Words derived from “kay

Every word from Proto-Indo-European (s)ḱeh₃-Every word from Proto-Indo-European (s)ḱih₃-wó-sEvery word from Proto-Celtic *kiwos