The story
- Late Latin · derived fromconfoederō
- Old French · derived fromconfederer
- Middle English · inherited fromconfederen“to confederate; to organize a conspiracy”
- English todayconfeder
Inherited from Middle English confederen (“to confederate; to organize a conspiracy”), borrowed from Old French confederer or directly from Late Latin confoederō. Doublet of confederate.
Etymology from Wiktionary, CC BY-SA 4.0.