ethogenesis 

It is the biological process that generates animal behavior. It means "creation of behavior." It can be studied by ethologists.

Daniel: I study the ethogenesis of vocal communication.

Daiane: Wow, that is so interesting!

ethogenesis by Asamusay February 8, 2020

etymogenesis 

the act of creating a new word

"I couldn't think of a word that meant what I wanted to say, so I made one up, and it really works. I guess I just committed an act of etymogenesis. Neat."

etymogenesis by BvO November 1, 2003