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Dictionary of Medieval Names
from European Sources

Hainard m. Old French hagan lengthened from Old Saxon hago, Old Icelandic hagi 'pasture, yard, enclosed land' + Old Saxon hard, Old High German hart 'strong, hard'.

France
Latin
1101x1129 Hainardo (abl) CartStPC XXVIII
Cite as: S.L. Uckelman. "Hainard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Hainard.