Question

What is meant by permanent winds? How do they derive their name

Answer 1

They are also known as privailing and periodic winds... They blow in a particular direction in a particular period of time... They change thier direction periodically
Hope it helps u

Answer 2

Wind and windflow are one of the most important geographical features of any region.This feature control the allover geographical characteristics of a particular region.

Wind is categorised by it's flowing time period.

And permanent wind flow is the type of wind flow which flows throughout the whole year.

This permanent flow of the wind throughout the whole year derives it's name as the "Permanent wind flow."