IPA: /pərˈspɪk.ju.ɪ.ti/
KK: /pɜrˈspɪk.ju.ɪ.ti/
The quality of being clear and easy to understand; clarity in expression or thought.
The perspicuity of her explanation helped everyone grasp the complex topic easily.
Perspicuity is formed from "perspicuus" (meaning clear or transparent) and the suffix "-ity" (meaning the state or quality of). The word refers to the quality of being clear and easy to understand.
Think of something that is 'clear' ('perspicuus') — that's why perspicuity means the quality of being clear.