The story
- French · borrowed fromcafés au lait
- English todaycafé au lait
Unadapted borrowing from French café au lait (“(noun) coffee with milk; light brown colour of this drink; (adjective) having the light brown colour of coffee with milk”), from café (“coffee”) + au (“with the”) + lait (“milk”). The noun plural form cafés au lait is also an unadapted borrowing from French cafés au lait.
Etymology from Wiktionary, CC BY-SA 4.0.