"Romance castellano"@en . . "Old Spanish"@en . . "Old Spanish, also known as Old Castilian (Spanish: castellano antiguo, romance castellano) or Medieval Spanish (Spanish: espa\u00F1ol medieval), is an early form of the Spanish language that was spoken on the Iberian Peninsula from the 10th century until roughly the beginning of the 15th century, before a consonantal readjustment gave rise to the evolution of modern Spanish."@en . . . . "osp" .