This is the 6727th most frequent Spanish word.
condeduque
A Spanish noble title combining "count" (conde) and "duke" (duque).
The word 'condeduque' is used here as a title for a noble rank, referring to a count-duke as a historical position.
El condeduque gobernaba sus tierras con justicia.
The count-duke governed his lands with justice.
The term 'condeduque' in this context refers to the notable historical figure holding this hybrid noble title.
Recuerdo leer sobre un famoso condeduque en los libros de historia.
I remember reading about a famous count-duke in the history books.
In this sentence, 'condeduque' is defined explicitly as a combination of the ranks of count and duke.