Where does “chịu lửa” come from?

chịu lửa (Vietnamese) comes from Vietnamese lửa, from Proto-Vietic -laːs, from Proto-Mon-Khmer slaas — fire, to burn.

chịu lửa (Vietnamese): refractory; resistant (especially to fire)

Definitions

  1. refractory; resistant (especially to fire)

Ancestry of “chịu lửa”, step by step

chịu lửa traces back through two separate lines of ancestry.

via Vietnamese lửa

StepLanguageWordMeaning
1Vietnameselửafire
2Proto-Vietic-laːsfire
3Proto-Mon-Khmerslaasfire, to burn

via Vietnamese chịu

StepLanguageWordMeaning
1Vietnamesechịuto endure; to suffer; to tolerate; to put up with
2Middle Chinese受—
Every word from Proto-Mon-Khmer slaas →Every word from Proto-Vietic -laːs →Every word from Vietnamese lửa →