This page is historical. Follow this link for the current version.
Dictionary of Medieval Names
from European Sources

Grasso m. Latin grassus 'dense, thick; fat'.

France
Latin
1273 Grassus (nom) RegToul-13thC p. 26
Cite as: S.L. Uckelman. "Grasso". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Grasso.