concessimus

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
CONCESSIMUS. A Latin word, which signifies, we have granted. This word 
creates a covenant in law, for the breach of which the grantors may be 
jointly sued. It imports no warranty of a freehold, but as in case of a 
lease for years. Spencer's Case, 5 Co. Rep. 16 Brown v. Heywood, 3 Keble, 
Rep. 617 Bac. Ab. Covenant, B. See Bac. Ab. officers, &c. E. 
    

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