Where does “em rể” come from?

em rể (Vietnamese) comes from Vietnamese em, from Proto-Vietic ʔɛːm, from Proto-Mon-Khmer (sʔ)iəm.

em rể (Vietnamese): brother-in-law (husband of younger sister)

Definitions

  1. brother-in-law (husband of younger sister)

Ancestry of “em rể”, step by step

em rể traces back through two separate lines of ancestry.

via Vietnamese em

StepLanguageWordMeaning
1Vietnameseemyounger sibling; I/me, someone who's presumably a...
2Proto-Vieticʔɛːm
3Proto-Mon-Khmer(sʔ)iəm

via Vietnamese rể

StepLanguageWordMeaning
1VietnameserểShort for chú rể; Short for con rể
Every word from Proto-Mon-Khmer (sʔ)iəmEvery word from Proto-Vietic ʔɛːmEvery word from Vietnamese em
em rể — Etymology, Origin & Word History | Etymology Explorer