dename

From de- +‎ name.

dename (third-person singular simple present denames, present participle denaming, simple past and past participle denamed)

1. (transitive) To remove the name from.
   • 2024 January 10, Chris Gilson, “RAIL's famous five...”, in RAIL, number 1000, page 26:

     Shortly after its re-entry into traffic, it was named County Durham on October 1 that year, although it was denamed later.

2. (dated, obsolete) To denominate. (The addition of quotations indicative of this usage is being sought:)

• rename, unname

• deadname

• Medean, Nadeem, amende, amened, demean, meaned