Medieval Latin
reactio
‘reaction’
Every word has its own definition in its root. These English words share one: Medieval Latin reactio.
2 English words in this record descend from Medieval Latin reactio, most familiar first.
- reaction ← reaccion
- reactionary ← réactionnaire ← réaction
From Wiktionary, by Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); adapted. License.
Etymograph / Medieval Latin reactio