Langue whizz

[Jessica]

A person who knows a lot about languages and language systems, and is incredibly intelligent in terms of learning new languages, [linguistics], and language-related issues.
Origin: This compound is made up of two words. The word langue which was first coined by the Swiss [linguist] and [semiotician] Ferdinand de Saussure to refer to a language viewed as an abstract system used by a speech community, and the word whizz which denotes someone who is fast, skilled, or intelligent in a particular activity, subject, or area.
Ahmadreza Mohebbi