History of language ; Anachronismus; Reliktwort; Sprachfossil; Fossil word; Paläologismus; Archaism ; Sprachwandel (lex.) ; Language change (lex.) ; Vocabulary change ; Determinologisation ; Language norm ; Lexicography ; Pragmatic information (in dictionaries) ; Diccionario de la Real Academia Española; DRAE; DLE ; Historical dictionary ; Technical vocabulary ; Spanish