/diːˌfɛnɪˈstreɪʃən/
[noun] The act of throwing someone or something out of a window. It can be used literally to describe actually throwing something out a window, or figuratively to mean getting rid of someone or something abruptly.
English coined a word specifically for throwing people out of windows because Prague kept doing it.
Few words in the English language owe their existence to a single, recurring act of political violence, but 'defenestration' is proudly one of them. The word is constructed from the Latin prefix 'de-', meaning 'down from' or 'out of', and 'fenestra', the Latin word for 'window'. Combine them, add the standard noun suffix '-ation', and you have a clinical, almost bureaucratic term for one of history's most dramatic forms of protest: the hurling of a person — or persons — through a window to the ground below.
The coinage was almost entirely inspired by events in Prague, a city with an improbable habit of resolving political disputes via upper-story ejection. The First Defenestration of Prague occurred in 1419, when Hussite protesters threw several Catholic city councillors from the windows of the New Town Hall, killing them and igniting the Hussite Wars. A century later, in 1618, Protestant Bohemian noblemen threw two Catholic imperial governors and their secretary from a castle window in what became known as the Second Defenestration of Prague — an event widely considered the spark that lit the Thirty Years' War. The secretary, one Philipp Fabricius, survived the seventy-foot fall, which Catholics attributed to divine intervention and Protestants attributed, with some relish, to the cushioning properties of a large dung heap below.
The English word itself appears to have been formed in the early 17th century in direct response to these Bohemian events, though it was used with varying frequency for some time. What makes 'defenestration' linguistically remarkable is that it belongs to a rare category of words coined not because a concept lacked a name, but because a specific, repeated historical phenomenon demanded one. Most abstract nouns of this Latinate construction — 'administration', 'consideration', 'deliberation' — describe processes. This one describes an act of spectacular physical violence with almost satirical precision.
The Latin root 'fenestra' itself has a rich ancestry. It is believed by some scholars to be borrowed from an Etruscan or Oscan source, predating classical Latin, which would make the window — and by extension this word — one of the many architectural and cultural gifts of pre-Roman Italy. The word passed through Old French as 'fenestre' before becoming the English 'fenester' and eventually 'fenestration', the latter a legitimate architectural term referring to the arrangement of windows in a building. Defenestration, then, is quite literally the undoing of fenestration.
In modern usage, 'defenestration' has expanded well beyond its literal meaning. Journalists, satirists, and political commentators routinely deploy it to describe the sudden and forcible removal of a leader from power — a cabinet minister 'defenestrated' by a prime minister, a CEO ejected by a board of directors. The word carries an irresistible dark comedy, a Latinate gravitas that makes the brutal act of political dismissal sound almost scholarly. It is a word that winks at its own absurdity, and speakers seem to take genuine delight in using it, as though the act of knowing the word is itself a small pleasure.