Where does “beixsau” come from?

beixsau (Zhuang) comes from Zhuang beix, from Proto-Tai biːᴮ — older sibling.

beixsau (Zhuang): elder sister

Definitions

  1. elder sister

Ancestry of “beixsau”, step by step

beixsau traces back through two separate lines of ancestry.

via Zhuang beix

StepLanguageWordMeaning
1Zhuangbeixolder sibling; any older person of the same...
2Proto-Taibiːᴮolder sibling

via Zhuang sau

StepLanguageWordMeaning
1Zhuangsaugirl; young woman; girlfriend; beautiful; pretty;...
2Proto-Taisaːwᴬunmarried woman
Every word from Proto-Tai biːᴮ →Every word from Zhuang beix →