Why this word is great
APEIROPHOBIA — [Noun] The dread of infinity or eternity, a vertigo of the mind when confronted with the endless. From the Greek apeiro- ("infinite, boundless") + -phobia ("fear of"), it is the terror not of death but of never dying, not of time but of timelessness. Unlike "athanatophobia" (which fixates on immortality as a personal curse) or "chronophobia" (which recoils from time's relentless march), apeirophobia is the existential nausea of staring into an abyss that stares back—forever. It is the white static of a detuned television stretched across light-years, the child paralyzed by the thought of forever, or the mathematician who crumples the page when the series refuses to converge. Infinity is the only thing large enough to make a human feel truly, irredeemably small.