Where does “đai an toàn” come from?

đai an toàn (Vietnamese) comes from Vietnamese dài, from English die, from Latin die, from Latin dies, from Latin diem, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws — to be bright; sky, heaven.

đai an toàn (Vietnamese): safety belt; seat belt

Definitions

  1. safety belt; seat belt

Ancestry of “đai an toàn”, step by step

đai an toàn traces back through two separate lines of ancestry.

via Vietnamese dài

StepLanguageWordMeaning
1Vietnamesedàilong, lengthy
2EnglishdieTo stop living; to become dead; to undergo death;...
3Latindieablative singular of diēs; day; before the day
4LatindiesA day, "particularly:"
5Latindiemaccusative singular of diēs
6Proto-Italicdjēmaccusative singular of *djous
7Proto-Italic*djous
8Proto-Indo-Europeandyḗwssky, heaven; sky god
9Proto-Indo-Europeandyéwssky, heaven
10Proto-Indo-Europeandyew-to be bright; sky, heaven

via Vietnamese an toàn

StepLanguageWordMeaning
1Vietnamesean toànsafe; safety
Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws