Where does “hai vảo” come from?

hai vảo (Tày) comes from Navajo -HAI, from Proto-Athabaskan *x̣αy — winter.

hai vảo (Tày): crescent moon

Definitions

  1. crescent moon

Ancestry of “hai vảo”, step by step

StepLanguageWordMeaning
1Navajo-HAIa winter, a year passes; {|...
2Proto-Athabaskan*x̣αywinter
Every word from Proto-Athabaskan *x̣αy →Every word from Navajo -HAI →