The story
- Latin · derived fromperpendiculum
- Middle English · inherited fromperpendicle
- English todayperpendicle
From Middle English perpendicle, from Latin perpendiculum, from per + pendere (“to hang”). Compare French perpendicule.
Words from the same roots
Latinperpendiculum all →
perpendicular
Etymology from Wiktionary, CC BY-SA 4.0.