diccionario
/ˌdiɡθjoˈnaɾjo/ · B2 · noun · m
dictionary
📖 diccionario ← Latin dictio, a saying: dicción + -ario, a place for words
Spanish dicción means diction or wording, from Latin dictio, a saying. The suffix -ario marks a collection or place, like in English library or aviary. So diccionario is a collection of sayings, which is a book of words.