duplication

The story

1. Latin · derived fromduplicō
2. Late Latin · derived fromduplicātiō, duplicātiōnem
3. Middle French · derived fromduplication
4. Middle English · inherited fromduplicacioun
5. English todayduplication

From Middle English duplicacioun, from Middle French duplication, from Late Latin duplicātiō, duplicātiōnem, from Latin duplicō. Morphologically duplicate + -ion.