The story
- Latin · derived frompinnātus“feathered”
- New Latin · borrowed frompinnatisectus
- English todaypinnatisect
From New Latin pinnatisectus, from Latin pinnātus (“feathered”) + sectum, past participle of secō (“to cut”).
Words from the same roots
Latinpinnātus all →
pinnate
Etymology from Wiktionary, CC BY-SA 4.0.