The story
- Latin · derived fromdēmōnstrātīvus
- Middle French · derived fromdémonstratif
- Middle English · inherited fromdemonstratif
- English todaydemonstrative
From Middle English demonstratif, from Middle French démonstratif, from Latin dēmōnstrātīvus. Equivalent to demonstrate + -ive.
Etymology from Wiktionary, CC BY-SA 4.0.