Crossword clue: an interval of a fifth; also, a part sung with such intervals. "he sang . . . a loud quynyble." chaucer.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
United States philosopher and logician who championed an empirical view of knowledge that depended on language (1908-200