The story
- Old French · derived fromventaille“lower opening in helmet for air”
- Middle English · inherited fromventaile“mail over lower face and neck; lower front piece of helmet; air hole in helmet”
- English todayventail
From Middle English ventaile (“mail over lower face and neck; lower front piece of helmet; air hole in helmet”), from Old French ventaille (“lower opening in helmet for air”). Related to aventail.
Etymology from Wiktionary, CC BY-SA 4.0.