The story
- Ancient Greek · derived fromπεριτόναιον
- Latin · derived fromperitonaeum
- English todayperitoneum
From Latin peritonaeum, from Ancient Greek περιτόναιον (peritónaion), from περιτόναιος (peritónaios, “stretched or strained over”).
Etymology from Wiktionary, CC BY-SA 4.0.