The story
- Latin · derived fromcoopertus
- Old French · derived fromcovert
- Middle English · inherited fromcovert
- English todaycovert
From Middle English covert, from Old French covert, past participle of covrir (“to cover”) (corresponding to Latin coopertus); cognate to cover. Not closely related to overt, despite what the most common pronunciation would suggest.
Etymology from Wiktionary, CC BY-SA 4.0.