Where does “วาดุซ” come from?

วาดุซ (Thai) comes from English Vaduz, from German Vaduz, from Latin aquaeductus, from Latin ductus, from Latin dūcō, from Proto-Italic doukō, from Proto-Indo-European déwketi, from Proto-Indo-European dewk- — to pull, to draw; to lead.

Ancestry of “วาดุซ”, step by step

Step	Language	Word	Meaning
1	English	Vaduz	—
2	German	Vaduz	—
3	Latin	aquaeductus	aqueduct, conduit
4	Latin	ductus	led, guided, having been led; leadership,...
5	Latin	dūcō	to lead, guide, conduct, lead away
6	Proto-Italic	doukō	lead
7	Proto-Indo-European	déwketi	—
8	Proto-Indo-European	dewk-	to pull, to draw; to lead

Every word from Proto-Indo-European dewk- →Every word from Proto-Indo-European déwketi →Every word from Proto-Italic doukō →