Where does “slushee” come from?

slushee (English) comes from English EE, from Cantonese 噫.

Ancestry of “slushee”, step by step

slushee traces back through two separate lines of ancestry.

via English EE

StepLanguageWordMeaning
1EnglishEEInitialism of electrical engineering
2Cantonese

via English slush

StepLanguageWordMeaning
1EnglishslushHalf-melted snow or ice; Liquid mud or mire;...
Every word from Cantonese Every word from English EE