Where does “trước khi” come from?

trước khi (Vietnamese) comes from Vietnamese trước, from Proto-Vietic k-laːk — before, in front of.

trước khi (Vietnamese): before (earlier than in time), prior to

Definitions

  1. before (earlier than in time), prior to

Ancestry of “trước khi”, step by step

trước khi traces back through two separate lines of ancestry.

via Vietnamese trước

StepLanguageWordMeaning
1Vietnamesetrướcbefore; in front of; ago
2Proto-Vietick-laːkbefore, in front of

via Vietnamese khí

StepLanguageWordMeaning
1VietnamesekhíClipping of không khí; gas; chi
2Proto-Vietickʰih—
Every word from Proto-Vietic k-laːk →Every word from Vietnamese trước →