The folk etymology of this word is very interesting.

He has a deep interest in etymology.

Language contact occurs when people who speak different languages interact.

I could tell from his body language that he was angry.

She damaged her speech center due to a stroke and lost the ability to speak.

Do you know the origin of this word?

He can speak many languages.

He is majoring in linguistics.

The atomic number of helium is 2.

Metalinguistics is an important concept in linguistics.