Where does “ra sao” come from?

ra sao (Vietnamese) comes from Vietnamese rà, from Latin rēx, from Proto-Italic rēks, from Proto-Indo-European h₃rḗǵs, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

ra sao (Vietnamese): how; what

Definitions

  1. how; what

Ancestry of “ra sao”, step by step

ra sao traces back through two separate lines of ancestry.

via Vietnamese

StepLanguageWordMeaning
1Vietnameseto check
2Latinrēxking, ruler
3Proto-Italicrēksking
4Proto-Indo-Europeanh₃rḗǵsking, ruler
5Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via Vietnamese sáo

StepLanguageWordMeaning
1Vietnamesesáoblackbird; starling; myna
2Proto-Vietick-raːwʔ
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃rḗǵsEvery word from Proto-Italic rēks