Where does “Đạo” come from?

Đạo (Vietnamese) comes from Chinese 刀, from English Dollar, from Dutch dollar, from English dollar, from Dutch daler, from German taler, from German Joachimsthaler, from German Sankt Joachimsthal — heel of the foot; heel.

Ancestry of “Đạo”, step by step

Đạo traces back through 3 separate lines of ancestry.

via Chinese

StepLanguageWordMeaning
1Chineseknife; single-edged sword
2EnglishDollarOS grid ref NS9698
3Dutchdollardollar currency, especially the US dollar
4EnglishdollarOfficial designation for currency in some parts...
5DutchdalerOne who descends, one who goes down; Superseded...
6Germantalertaler (former unit of currency)
7GermanJoachimsthalerNative or inhabitant of Joachimsthal
8GermanSankt JoachimsthalSt. Joachim's Valley
9GermanSanktSaint: title given to a saint
10Latinsānctussacred, made inviolable, having been established as sacred
11LatinIacobusJacob; James; Saint James
12Ancient GreekἸάκωβος
13Ancient GreekἸακώβJacob
14HebrewיַעֲקֹבJacob
15Hebrewעָקֵבheel of the foot; heel

via English Down

StepLanguageWordMeaning
1EnglishDownusually known as County Down
2Middle Englishdoundown
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Proto-Vietic daːw

StepLanguageWordMeaning
1Proto-Vieticdaːw

Words derived from “Đạo

Every word from Hebrew עָקֵבEvery word from Hebrew יַעֲקֹבEvery word from Ancient Greek Ἰακώβ