propaedeutic

英 [,prəʊpɪ'djuːtɪk] 美[,propɪ'djʊtɪk]

propaedeutic (n.): 1798, from Greek propaideuein "to teach beforehand," from pro- (see pro-) + paideuein "to teach," which is related to the root of pedagogue. From 1849 as an adjective.