instruct: [15] The -struct of instruct occurs also in construction, destruction, structure, etc. It comes from the past participle of Latin struere ‘build’. In the case of instruct, combination with the prefix in- produced instruere ‘build, prepare, equip, teach’, whose past participle stem instruct- formed the basis of the English verb. => construct, destroy, instrument, structure
instruct (v.)
early 15c., from Latin instructus, past participle of instruere "arrange, inform, teach," literally "to build, erect," from in- "on" (see in- (2)) + struere "to pile, build" (see structure (n.)). Related: Instructed; instructing.
双语例句
1. We should instruct the passengers what customs regulations are.