More on Tachebrune from Infoplease:

• Tachebrune - Tachebrune (2 syl.). The horse of Ogier le Dane. The word means “brown-spot.” (See ...
• Dictionary of Phrase and Fable: T - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "T"
• Horse - Horse The public-house sign. The White Horse. The standard of the Saxons, and therefore impressed ...