EDIAP is for "Environnement de Développement Intégré pour l’Apprentissage de la Programmation". This is long french sentence and it means "IDE for learning".
Ediap is a small ide written in python3/tkinter. Is is freely inspired from the Bret Victor article Learnable Programming about how to create a program to learn programming.
Let have a look at https://framagit.org/lisaprogramming/ediap.