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Dictionary of Medieval Names
from European Sources

Savory f. Anglo-Norman sauverré, savure, savré, Anglo-Norman, Old French savoré, Anglo-Norman, Old French, Middle French savouré 'sweet, pleasant, fragrant'.

The word savory in English didn't gain overtones of 'flavorful but not sweet' until the early 16th C, and it was still used in its original meaning through the end of that century.

England
Early Modern English
1594 Savery DEmar-vol2 p. 28
Cite as: S.L. Uckelman. "Savory". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Savory.