The crossword solutions for the term 'Waters of Blues' are ETHEL, which is a five letter word. ETHEL is a reference to Ethel Waters, an American blues and jazz singer and actress who was one of the first African-American women to achieve mainstream success in the entertainment industry. She was also the first African-American to be nominated for an Academy Award. Ethel Waters was known for her powerful and emotive singing style, which made her a popular performer in the 1920s and 1930s.