English
concuss
Concuss comes from Latin concussus ‘shaken violently (or together), having been…’, and perhaps goes back to Proto-Indo-European *(s)kuh₁t-yé-ti.
- Proto-Indo-Europeanc. 4500–2500 BCE*(s)kuh₁t-yé-ti1uncertain
- Latinc. 75 BCE–200 CEquatiō2‘shake, hit’
- Latinc. 75 BCE–200 CEconcutiō2‘shake violently’
- Latinc. 75 BCE–200 CEconcussus2‘shaken violently (or together), having been shaken violently’perfect passive participle of concutiō
- Englishearliest quotation 1840concuss2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Latin quatio, which cites LIV
- 2 Wiktionary, English concuss
- Earliest quotation in Wiktionary’s entry: 1840, James Buchanan: “The opposite principle , or rather the opposite practice…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*(s)kuh₁t-yé-tiWiktionary, Latin quatio, which cites LIVuncertain
- Latinc. 75 BCE–200 CEquatiōWiktionary, English concuss‘shake, hit’
- Latinc. 75 BCE–200 CEconcutiōWiktionary, English concuss‘shake violently’
- Latinc. 75 BCE–200 CEconcussusWiktionary, English concuss‘shaken violently (or together), having been shaken violently’perfect passive participle of concutiō
- Englishearliest quotation 1840concussWiktionary, English concuss. Earliest quotation in Wiktionary’s entry: 1840, James Buchanan: “The opposite principle , or rather the opposite practice…”
Linked words
through Proto-Indo-European *(s)kuh₁t-yé-ti
pasta, paste, pastiche, patisserie, 27 more
through Latin quatiō ‘shake, hit’
cashier, quash, fracas, zouk, casco, casse, repercussion, 17 more
Today it means
verb To injure the brain of, usually temporarily, by violent impact.
Sources
Sources: Wiktionary, “concuss”; the older steps come from the Wiktionary entry for Latin quatio. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *(s)kuh₁t-yé-ti / concuss