late 14c., "schoolmaster, teacher," from O.Fr. pedagogue
"teacher of children," from L. paedagogus
"slave who escorted children to school and generally supervised them," later "a teacher," from Gk. paidagogos,
) "child" (see pedo-
) + agogos
"leader," from agein
"to lead" (see act
). Hostile implications in the word are at least from the time of Pepys.