The story
- Medieval Latin · derived fromprēparātīvus
- Middle French · derived frompreparatif
- Middle English · inherited frompreperatif
- English todaypreparative
From Middle English preperatif, from Middle French preparatif and Medieval Latin prēparātīvus. By surface analysis, prepare + -ative.
Etymology from Wiktionary, CC BY-SA 4.0.