Origin of gizzard
- Alteration of Middle English giser from Old French from Vulgar Latin gicērium from Latin gigēria cooked entrails of poultry probably of Iranian origin Persian jigar liver yē̃kwr̥ in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French gesier, giser et al. (French gésier), from Latin gigēria.