-A mania, or obsession, for trying to recall forgotten words or a specific word.
From Greek “logos” - meaning “word or discourse” + Greek “anamnesis” meaning "a calling to mind, remembrance," noun of action from stem of "anamimneskein" (to remember, to remind [someone] of something).
Used in a sentence:
“Were it not for his loganamnosis, these meetings with Langdon would be about half the length.”
(from The Grandiloquent Word of the Day on FB)