The term 'BLUE EVERGREEN' is a combination of two words, 'BLUE' and 'EVERGREEN'. BLUE is a color that is often associated with feelings of calmness and serenity. EVERGREEN trees are trees that remain green throughout the year, even during winter. The crossword solution for this term is 'SPRUCE', which is a type of EVERGREEN tree that is known for its BLUE-green needles. SPRUCE trees are commonly found in North America and Europe and are popular for their use in landscaping and timber production.