The story
- Latin · derived fromcastanea“a chestnut, a chestnut tree”
- English todaycastaneous
From the Latin castanea (“a chestnut, a chestnut tree”) + -ous (“full, full of”).
Words from the same roots
Latincastanea all →
chestnutcastanetcastalagin
Etymology from Wiktionary, CC BY-SA 4.0.