Dictionary of Medieval Names
from European Sources

Reinelm m. Proto-Germanic *ragin 'counsel, might' + Old High German, Old Saxon helm 'helmet'.

France
Latin
c823 Raganhelmus (nom) irminon-vol2 7, Ved
Cite as: S.L. Uckelman. "Reinelm". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Reinelm.