Dictionary of Medieval Names
from European Sources

Reinburg f. Proto-Germanic *ragin 'counsel, might' + Old High German burg 'castle, city, stronghold'.

Germany
Latin
822x875 Reynburg (nom) TradCorb §78
Cite as: S.L. Uckelman. "Reinburg". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Reinburg.