Where does “răn dạy” come from?

răn dạy (Vietnamese) comes from Vietnamese rắn, from Proto-Vietic m-rəɲʔ, from Proto-Mon-Khmer (d)mrəɲʔ — body louse.

răn dạy (Vietnamese): to admonish; to teach in a strict or draconian manner, esp. on manners and/or morality

Definitions

  1. to admonish; to teach in a strict or draconian manner, esp. on manners and/or morality

Ancestry of “răn dạy”, step by step

răn dạy traces back through two separate lines of ancestry.

via Vietnamese rắn

StepLanguageWordMeaning
1Vietnameserắna non-constricting snake, as opposed to a trăn;...
2Proto-Vieticm-rəɲʔbody louse
3Proto-Mon-Khmer(d)mrəɲʔbody louse

via Vietnamese dạy

StepLanguageWordMeaning
1Vietnamesedạyto teach, to train
Every word from Proto-Mon-Khmer (d)mrəɲʔ