The story
- Latin · derived fromdecennalis“decennial”
- English todaydecennalian
From Latin decennalis (“decennial”) + -ian, from decennium (“10-year period”) + -alis (“-al: forming adjectives”), from decem (“ten”) + annus (“year”).
Words from the same roots
Latindecennalis all →
decennal
Etymology from Wiktionary, CC BY-SA 4.0.