ecthelion and glorfindel are named also in the silmarillion ( p. 194 ) as turgon 's captains who guarded the hanks of the host of gondolin in their retreat down sirion from the nirnaeth arnoediad , but of other captains named in the tale there is no mention afterwards + -- though it is significant that the eighteenth ruling steward of gondor was named egalmoth , as the ( * in the later tuor ( p. 50 ) he is 'lord o ( the fountains ' , plural ( the reading in the manuscript is certain ) .