duodecimate · noun1
- Latin · derived fromduodecimatus
- English todayduodecimate
From Latin duodecimatus, from duodecim (“twelve”) + -ātus (“-ate”).
duodecimate · verb2
- Latin · derived fromduodecimus“twelfth”
- Latin · derived fromduodecimō“to take one twelfth”
- English todayduodecimate
Either from the Latin duodecimō (“to take one twelfth”) or an alteration of the Latin duodecimus (“twelfth”) by analogy with decimate.
Etymology from Wiktionary, CC BY-SA 4.0.