Where does “đinh vít” come from?

đinh vít (Vietnamese) comes from Vietnamese vít, from French vis, from Old French vis, from Latin vīsus, from Proto-Celtic wissos, from Proto-Indo-European widtós, from Proto-Indo-European weyd- — to see.

Ancestry of “đinh vít”, step by step

đinh vít traces back through two separate lines of ancestry.

via Vietnamese vít

StepLanguageWordMeaning
1Vietnamesevítscrew; to pull down, to wrest down
2Frenchvisscrew; inflection of vivre: ##...
3Old Frenchvisface; opinion
4Latinvīsushaving been seen
5Proto-Celticwissosknown
6Proto-Indo-Europeanwidtósseen; known
7Proto-Indo-Europeanweyd-to see

via Vietnamese đinh

StepLanguageWordMeaning
1Vietnameseđinha nail; a share of fees that a male member is...
2Chinese定—
Every word from Proto-Indo-European weyd- →Every word from Proto-Indo-European widtós →Every word from Proto-Celtic wissos →