Of, or relating to, teaching, learning or schools. It comes from the same route as
paedophilia/
pedophilia and
pedophile/
paedophile and because
lusers get confused about big words is now usually avoided by people involved in teaching, learning or schools professionally (
pedagogues).
The term is, however, very much in vogue in academic circles, in which confusing the man on the street is seen as a good thing and a pillar of elitism.