discretion

The story

1. Latin · derived fromdiscerno
2. Late Latin · derived fromdiscrētiō
3. Old French · derived fromdiscretion
4. Middle English · inherited fromdiscrecioun
5. English todaydiscretion

From Middle English discrecioun, from Old French discretion, from Late Latin discrētiō, from Latin discerno. Equivalent to discreet + -ion.