Definition of over-educate in English:
over-educate
Pronunciation /ˌəʊvərˈɛdjʊkeɪt/ /ˌəʊvərˈɛdʒʊkeɪt/
verb
To educate to a higher academic level than is necessary or desirable. Occasionally reflexive.
Origin
Mid 19th century; earliest use found in The New England Magazine. From over- + educate.