Dictionary of Medieval Names
from European Sources

Hachar m. Old Saxon hago, Old Icelandic hagi 'pasture, yard, enclosed land' + Old High German heri 'host, army'.

Germany
Latin
930 Hacharius (nom) quix-vol1 10
Cite as: S.L. Uckelman. "Hachar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Hachar.