Verb
English Wikipedia has an article on:undeletionWikipedia
undelete (third-person singular simple present undeletes, present participle undeleting, simple past and past participle undeleted)
(transitive, computing) To recover (a file, record, etc.) from a deleted state; restore.
Does Amazon not have 30-day undelete for bulk storage? Source: Internet
It’s a shame that you can’t undelete TV shows as you can with Sky Q; the only option is to have a prompt that asks if you really want to delete a show. Source: Internet
Normally, if your deleted post is not self-deleted, you can't undelete it yourself (though you may be able to vote to undelete). Source: Internet