Where does “quần tây” come from?

quần tây (Vietnamese) comes from Vietnamese Tây, from Chinese 西, from English West, from Middle English west, from Old English west, from Proto-West Germanic *westr, from Proto-Germanic westrą, from Proto-Germanic westraz.

quần tây (Vietnamese): slacks

Definitions

  1. slacks

Ancestry of “quần tây”, step by step

quần tây traces back through two separate lines of ancestry.

via Vietnamese Tây

StepLanguageWordMeaning
1VietnameseTâyAlternative letter-case form of tây
2Chinese西
3EnglishWestAny of various particular regions named for the cardinal direction in which they lie
4Middle Englishwestwest; A location to the south; the south; The...
5Old Englishwestwest
6Proto-West Germanic*westrwestern, westernly
7Proto-Germanicwestrąwest; west, westward
8Proto-Germanicwestrazwest, western
9Proto-Indo-Europeanwek(ʷ)sperosevening
10Proto-Indo-Europeanwe-

via Vietnamese quân

StepLanguageWordMeaning
1Vietnamesequântroops, army
2Proto-Mon-Khmerwən(ʔ)coiled, to wind, bend; coiled; to wind, bend
Every word from Proto-Indo-European we-