Where does “ngôn ngữ kí hiệu” come from?

ngôn ngữ kí hiệu (Vietnamese) comes from Vietnamese kí hiệu, from Japanese 記号 — symbol, mark.

ngôn ngữ kí hiệu (Vietnamese): sign language

Definitions

  1. sign language

Ancestry of “ngôn ngữ kí hiệu”, step by step

ngôn ngữ kí hiệu traces back through two separate lines of ancestry.

via Vietnamese kí hiệu

StepLanguageWordMeaning
1Vietnamesekí hiệusymbol, sign
2Japanese記号symbol, mark

via Vietnamese ngôn ngữ

StepLanguageWordMeaning
1Vietnamesengôn ngữlanguage; language; lingo
2Middle Chinese語—
Every word from Japanese 記号 →Every word from Vietnamese kí hiệu →