https://demel.uni-rostock.de/

The Diccionario del Español Medieval electrónico (DEMel) is a semantically pre-structured and lemmatized database dedicated to the Medieval Spanish. The basis is the digitized archive of the Diccionario del Español Medieval (DEM), which was discontinued at the end of 2007 for financial reasons. With more than 600 literary and non-literary works or collections of texts and documents as sources, the material represents the Spanish vocabulary from the 10th to the beginning of the 15th century. In total, the database contains about 650,000 attestations of more than 31,000 lemmas.