The term 'CRESCENT HORN' is a combination of two words, 'CRESCENT' and 'HORN'. The word 'CRESCENT' is derived from the Latin word crescere, which means 'to grow', and is often used to refer to the shape of the moon. The word 'HORN' is derived from the Old English word HORN, which means 'a hard, pointed projection'. Together, the two words form the term 'CRESCENT HORN', which is used to describe an object with a curved shape that resembles a CRESCENT moon.