Sentence:  In contrast to Kroeger (1998: 154)'s suggestion that ethnonyms beginning with Uma'should be applied to Kayan whereas the ones with Lepo'to Kenyah, the facts about Borneo tradition of <WSD>endonymy</WSD> are far more complex. 
Meaning of the word marked with <WSD> tags:  The use of the name for a group or geographic region by its members or inhabitants, as opposed to the nomenclature used by outsiders.