What is the etymology of mediocre?

The etymology of etymology is from the greek etumologia which means "true sense of a word"

Etymology is the study of words and their origins and development.

It's from the ancient Greek. Homeo/homo means 'the same'. Like homosexual is liking the same sex. Stasis means keeping still. Like stationary, static etc. So homeostasis is keeping everything...

The etymology of art is the history of art

I cannot believe that this query has not yet been answered: three minutes spent using the G* search function/engine will reveal that it refers to a 16th Century 'sport' or gambling game, then...