Where does “hệ toạ độ” come from?

hệ toạ độ (Vietnamese) comes from Vietnamese toạ độ, from Chinese 度, from Proto-Sino-Tibetan m-twa — handspan.

hệ toạ độ (Vietnamese): coordinate system

Definitions

  1. coordinate system

Ancestry of “hệ toạ độ”, step by step

hệ toạ độ traces back through two separate lines of ancestry.

via Vietnamese toạ độ

StepLanguageWordMeaning
1Vietnamesetoạ độcoordinate
2Chinese度—
3Proto-Sino-Tibetanm-twahandspan

via Vietnamese hệ

StepLanguageWordMeaning
1Vietnamesehệsystem
2Chinese客guest
Every word from Proto-Sino-Tibetan m-twa →Every word from Chinese 度 →Every word from Vietnamese toạ độ →