Diccionario crítico etimológico castellano e hispánico

The Diccionario crítico etimológico castellano e hispánico is a discursive etymological dictionary of Spanish compiled by Joan Coromines (also spelled Corominas) in collaboration with José Antonio Pascual. It was completed in the late 1970s and published in five volumes in the early 1980s. The entries Y and Z plus an index of the five volumes was published as a sixth volume in 1991. The dictionary is an expansion and consolidation of earlier etymological publications by Corominas, particularly the mid-1950s Diccionario crítico etimológico de la lengua castellana.