from The Century Dictionary and Cyclopedia
- Of a light-green color, inclining to yellow.
- In heraldry, same as vert. Also prasin.
From a combination of Anglo-Norman prame, Middle French prame (from Late Latin prasinus) and Middle French prasine (from Late Latin prasinum), both ultimately from Latin prasinus ("leek-green"), from Ancient Greek πράσινος, from πράσον ("leek"). (Wiktionary)