rekey

verb
re·​key | \ˌrē-ˈkē \
rekeyed; rekeying

Definition of rekey 

transitive verb

1 : to key (something) again There's no sense in rekeying data that you already have in your computer.— Richard O. Mann

2 : to provide (something) with a new key rekeyed the house/room/door You can take your lock and key to a locksmith and have them rekey it, making it unique.CNN Wire

First Known Use of rekey

1875, in the meaning defined at sense 1

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The first known use of rekey was in 1875

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