Complex sentence: Euphemistic circumlocution is also used to avoid saying "unlucky words"--words which are taboo for reasons connected with superstition: for example, calling the devil "Old Nick", "Speak of the devil, and he will appear" is the proverb.
Split into simpler sentences: Euphemistic circumlocution is also used to avoid saying "unlucky words"--words which are taboo for reasons connected with superstition. For example, calling the devil "Old Nick", "Speak of the devil, and he will appear" is the proverb.