OED gives the etymology from educare and professional tutoring services the base Latin form would be educo but this had/has two different senses. The first is the rearing or raising of children, livestock, comparable to modern sense, and the second is to draw or lead out, to bring before a court, to raise, to bring up the rear, etc. I like what the second sense brings with the image of a civilized human being being drawn out of a great ape with a language facility Here is more info in regards to @parentsontheyard look at the internet site. .