Where does “bật đèn xanh” come from?

bật đèn xanh (Vietnamese) comes from Vietnamese đèn xanh, from Vietnamese xanh, from French saint, from Latin sānctus, from Latin Iacobus, from Ancient Greek Ἰάκωβος, from Ancient Greek Ἰακώβ, from Hebrew יַעֲקֹב — heel of the foot; heel.

bật đèn xanh (Vietnamese): to give the green light to

Definitions

  1. to give the green light to

Ancestry of “bật đèn xanh”, step by step

bật đèn xanh traces back through two separate lines of ancestry.

via Vietnamese đèn xanh

StepLanguageWordMeaning
1Vietnameseđèn xanhgreen light
2Vietnamesexanhgrue; green; wok
3Frenchsaintsaint; saintly
4Latinsānctussacred, made inviolable, having been established as sacred
5LatinIacobusJacob; James; Saint James
6Ancient GreekἸάκωβος
7Ancient GreekἸακώβJacob
8HebrewיַעֲקֹבJacob
9Hebrewעָקֵבheel of the foot; heel

via Vietnamese bật

StepLanguageWordMeaning
1Vietnamesebậtto snap, to switch on; to pluck
Every word from Hebrew עָקֵבEvery word from Hebrew יַעֲקֹבEvery word from Ancient Greek Ἰακώβ
bật đèn xanh — Etymology, Origin & Word History | Etymology Explorer