misassemble

verb

mis·​as·​sem·​ble ˌmis-ə-ˈsem-bəl 

misassembled; misassembling

transitive verb

: to put the parts of (something) together in an incorrect manner : to assemble (something) wrongly

And any mechanic who thinks the computer is going to tell him what he misassembled under the dash is probably better suited to working with a shovel instead of a computer.

—Mike Allen

Word History

First Known Use

1927, in the meaning defined above