Why did Isidore think that an encyclopedia could be written using etymologies as a base?

h.m Philosophy class : Answer the questions :
The topic : Visigothic Spain – Isidore of seville
About ISIDORE :
– Why did Isidore think that an encyclopedia could be written using etymologies as a base?
– What is the original meaning of the concept of liberal arts?
– What are the traditional liberal arts? Historically, how are they related to university degrees?
– Critically discuss Isidore’s history of rhetoric.
– According to Isidore, how is the quadrivium related to philosophy? Is his treatment logically consistent?