langue d'oïl

noun \läŋ-ˈdȯi(-ə)l, -ˈdȯi; läⁿg-dȯ-ˈēl, -ˈdȯi\

Definition of langue d'oïl

  1. :  french 1

Origin and Etymology of langue d'oïl

French, from Old French, literally, language of oïl; from the French use of the word oïl for “yes”

First Known Use: circa 1682

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