English
stan
From Stan (“Stanley”), after the song "Stan" by Eminem (2000), a fictitious account of the rapper's encounter with an overly obsessive fan named Stan.
The story
Sometimes assumed to be a blend of stalker + fan, but perhaps simply chosen for the rhyme.
Today it means
noun An extremely obsessive fan of a person, group, character, or creative work, particularly one whose fixation is unhealthy or intrusive.
Language periods are conventional ranges, not dates for this word.
Etymograph / stan