Where does “ไฟเขียว” come from?

ไฟเขียว (Thai) comes from Thai ไฟ, from Proto-Tai wɤjᴬ — fire.

ไฟเขียว (Thai): green light: traffic light

Definitions

  1. green light: traffic light

Ancestry of “ไฟเขียว”, step by step

ไฟเขียว traces back through 3 separate lines of ancestry.

via Thai ไฟ

StepLanguageWordMeaning
1Thaiไฟfire; flame; light; light source; electricity
2Proto-Taiwɤjᴬfire

via Thai เขียว

StepLanguageWordMeaning
1Thaiเขียวgreen; indigo; having an unfavourable smell like...
2Proto-Taixiəwᴬgreen

via English green light

StepLanguageWordMeaning
1Englishgreen lightA traffic light in its green state; Approval, or...
Every word from Proto-Tai wɤjᴬEvery word from Thai ไฟ
ไฟเขียว — Etymology, Origin & Word History | Etymology Explorer