Bargain comes through Middle English from French. Collins gives the noun bargaigne from bargaignier, to trade.
The cards select the French formation and modern outcome, omitting the Middle English intermediary. The deeper Germanic derivation is probable in Merriam-Webster and is not scored.
Sources
- Collins: bargain
Old French bargaigne derives from bargaignier, to trade.
- Merriam-Webster: bargain
English comes through Middle English and Anglo-French; the deeper Germanic origin is probable.
- Online Etymology Dictionary · bargain
Meanings of the older forms on the word path.