Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† dēmos, i, m., = δῆμος, orig. a tract of land, demos (pure Lat. pagus); hence, the inhabitants of a demos, Plin. 35, 10, 36, § 69; cf. Paul. ex Fest. p. 72, 5 Müll.