Sentence:  On the 20th [of December, 1828] they remained an hour at Oudi-Essebours or the Valley of Lions, thus named from the Sphinxes which ornament the <WSD>dromos</WSD> of a monument constructed under the reign of Sesostris, but a mere provincial edifice, built of stone cemented with mortar. 
Meaning of the word marked with <WSD> tags:  A walkway to a building,  a ceremonial walkway to a temple or tomb in Ancient Greece or Egypt.