Early 17th century. From pre- + instruct. Compare post-classical Latin praeinstruere (400 in Augustine), and also Middle French preinstruict, adjective.
Definition of pre-instruct in US English:
pre-instruct
verbˌpriːɪnˈstrʌkt
with objectTo instruct beforehand.
Origin
Early 17th century. From pre- + instruct. Compare post-classical Latin praeinstruere (400 in Augustine), and also Middle French preinstruict, adjective.