zeerust
Datedness of something originally intended to seem futuristic.
uncountable
It also features a nice bit of Zeerust in the form of a carefully reproduced Hollerith card.
Where it comes from
Coined by British science fiction writer and humorist Douglas Adams and British television producer and writer John Lloyd in The Meaning of Liff (1983), from Zeerust, the name of a town in South Africa. By folk etymology, connected semantics to rust.
Adapted from the Wiktionary entry zeerust (CC BY-SA 4.0).