Where does “chị em” come from?

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

chị em (Vietnamese): sisters

Definitions

  1. sisters

Ancestry of “chị em”, step by step

chị em 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 chí

StepLanguageWordMeaning
1Vietnamesechíwill; spirit; Central Vietnam and Southern...
2Proto-Bahnaricciːhead louse
3Proto-Mon-Khmerciiʔlouse
Every word from Proto-Mon-Khmer (sʔ)iəmEvery word from Proto-Vietic ʔɛːmEvery word from Vietnamese em
chị em — Etymology, Origin & Word History | Etymology Explorer