Where does “xoay chiều” come from?

xoay chiều (Vietnamese) comes from Vietnamese chiều, from Middle Chinese 朝.

xoay chiều (Vietnamese): alternating

Definitions

  1. alternating

Ancestry of “xoay chiều”, step by step

xoay chiều traces back through two separate lines of ancestry.

via Vietnamese chiều

StepLanguageWordMeaning
1Vietnamesechiềuafternoon; the direction from one point in space...
2Middle Chinese

via Vietnamese xoáy

StepLanguageWordMeaning
1Vietnamesexoáyto swirl, to whirl
Every word from Middle Chinese