Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Condrūsi, ōrum, m., = Κονδροῦσοι, a people in Gallia Belgica, on the right bank of the Meuse, in the region of Lüttich and Namur, near the modern Condroz, Caes. B. G. 2, 4; 4, 6; 6, 32.