Which suffix is associated with the quality of shining through?

The suffix that signifies the quality of shining through is -lucent. This suffix derives from the Latin word "lucere," which means "to shine." It is commonly used in medical terminology to describe structures or tissues that have the property of allowing light to pass through them. An example of this in a medical context is the term "translucent," which refers to materials that allow some light to pass through but are not completely transparent.

The other suffixes listed have distinct meanings that do not relate to the concept of shining. For instance, -itis typically refers to inflammation, -lith pertains to stones or calculi, and -lepsy signifies a seizure or condition of attack. Therefore, among the options provided, -lucent is the only suffix that accurately describes the quality of shining through.