What does lingu mean?

"Lingu" is a Latin root that means "tongue". It's commonly found in words related to language, speech, and the organs used for speaking:

* Linguistics: The scientific study of language.

* Bilingual: Able to speak two languages.

* Lingual: Relating to the tongue or language.

* Sublingual: Located under the tongue.

So, whenever you see "lingu" in a word, think of the tongue and its connection to language.