What the thing is
Nostalgia is an emotion: a bittersweet longing for the past, typically tied to happy memories or idealised times.
Where it came from
It was coined in 1688 by Johannes Hofer, a 17th-century medical student, to diagnose homesickness in Swiss mercenaries—rooted in Greek words for ‘homecoming’ (nóstos) and ‘pain’ (álgos).
What it gets right
It captures the bittersweet tension between memory and loss. It names a real emotional response to displacement, separation, and time’s passage.
What it gets wrong
It conflates longing for home with longing for the past. The original condition had no temporal dimension—it was spatial, acute, and life-threatening.
Why it matters now
Because it underwrites much of contemporary culture—from marketing to politics—while obscuring its origins as a pathologised reaction to forced mobility and military service.
Is it worth your time
Yes—if you want to understand how a medical diagnosis for Swiss mercenaries became a psychological lens for modern identity.





