[ 'ʊədu: , 'ə:du: ]
■ noun an Indic language closely related to Hindi, the official language of Pakistan and widely used in India.
Origin
from Pers. (zabān-i-)urdū '(language of the) camp' (because it developed as a lingua franca after the Muslim invasions between the occupying armies and the people of Delhi), urdū being from Turkic ordu (see horde ).