'en' stand for what in this sentence below? Merci!

Question

- car l'écrivaine 'en' a fait un personnage principal de son œuvre.

Céline Pickard · Accepted Answer

Bonjour Liyunzi,
Jim is correct! "En" is a pronoun and replaces/refers to "the home" (Colette's home) that was mentioned at the beginning of the sentence.
When "faire de [quelque chose] [quelque chose]" is used, the pronoun "en" is used to replace the "de [quelque chose]":
L'écrivaine en a fait un personnage principal -> L'écrivaine a fait de la maison un personnage principal
The writer made it into a main character -> The writer made her home into a main character
I hope this is helpful.
Bonne journée !

Jim Jones · Answer

Hi Liyunzi,The writer has made "en"(something previously mentioned in the story) the main aspect of their work.This is my understanding  --  hope it helps.Bonne continuationJim