The story
- Proto-Indo-European*pós
- Proto-Indo-European*pósti
- Proto-Italic*posti
- Old Latinposte
- Latinpost
- Englishpost-
- Proto-Indo-European*h₁én
- Proto-Italic*en
- Proto-Italic*en-
- Latinin-
- Proto-Indo-European*per-?
- Proto-Indo-European*pres-
- Proto-Italic*pres-
- Latinpremō
- Latinimprimō
- Latinimpressiōnem
- Frenchimpression
- Frenchimpressionnisme
- Englishimpressionism
- English todaypostimpressionism
From post- + impressionism. Coined by English artist and art critic Roger Fry to describe the (mostly French) art presented in an exhibition at the London Grafton Galleries in 1910.
Etymology from Wiktionary, CC BY-SA 4.0.