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

Helmdag m. Old High German, Old Saxon helm 'helmet' + Old Saxon, Old Dutch dag, Old High German tag 'day'.

Germany
Latin
822x75 Helmdag (nom) TradCorb §70
Preview. DO NOT cite as: S.L. Uckelman. "Helmdag". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 1. http://dmnes.org/2015/1/name/Helmdag.