congestion

The story

1. Latin · derived fromcongestĭō“heap, accumulation”
2. Old French · derived from[Term?]
3. Middle English · inherited fromcongestioun
4. English todaycongestion

From late Middle English congestioun, from Old French [Term?], from Latin congestĭō (“heap, accumulation”), from congerō (“to bring together, accumulate, heap up”), formed by the root gerō (“to carry”) and the prefix con-.