3rd person: undershores
1. To remove the key (physical or electronic); deencrypt.
2. To unlock; to unblock or release a pressed button or a fixed key on a keyboard or typewriter.
Let's forget the outflat toilet for now. It's awayed farly, and the apartment needs to be unkeyed to get in there. (Context: In her archaic language, Grandma Estela discourages using the external washroom, which is located out of the apartment, and the door needs to be unlocked to get there. Source: J∙ Okram - The Mystery of the Rammed Key.)