What is the meaning of the latin word from which the word "science" is derived?

Which sentence uses the denotative meaning of the word blue? i was feeling pretty blue when i lost my favorite earrings. i wore a blue scarf to complement the color of my eyes. the characters in the book all seemed rather blue. the movie’s ending always puts me in a blue mood.

What is a form of systematic musicology

Do any body speak korean or is korean and know what this say or mean