Fandom

Etymology

A blend of "fan" — itself a 19th-century American shortening of "fanatic," from Latin "fanaticus" (of a temple, inspired by a god) — plus "-dom" (domain, condition). The origins carry a hint of the sacred: the fan is a devotee, and the fandom their realm of devotion.

noun · /FAN-dum/
The community and culture of enthusiastic fans of a particular work, person, or franchise.
What it names
Not just a group of fans but the shared world they build — the lore, rituals, and creative output around a thing they love.
Example
The show ended years ago, but its fandom keeps it alive with conventions, fan fiction, and endless argument.
Related idea
A fandom is a whole participatory culture of shared enthusiasm; a parasocial bond is the private, one-sided attachment an individual feels toward a distant figure — fandom is collective and reciprocal, the parasocial tie solitary and unreturned.