Dictionary of Medieval Names
from European Sources

Jaca f. Uncertain. Perhaps a derivative of Old High German jagōn 'to hunt'.

France
Latin
1138x1162 Jaca (abl) clairvaux-12thc 82
Cite as: S.L. Uckelman. "Jaca". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Jaca.