Where does “blousie” come from?

blousie (English) comes from English blouse, from French blouse, from Vietnamese blu trắng.

Ancestry of “blousie”, step by step

blousie traces back through two separate lines of ancestry.

via English blouse

StepLanguageWordMeaning
1EnglishblouseA shirt, typically loose and reaching from the...
2Frenchblouseuniform or coat with buttons down the front; any...
3Vietnameseblu trắng

via English ie

StepLanguageWordMeaning
1EnglishieAlternative form of i.e
Every word from Vietnamese blu trắngEvery word from French blouseEvery word from English blouse