'mediocrity' originates from Latin, specifically the word 'mediocritas,' where 'medius' meant 'middle' and 'ocris' meant 'rugged mountain.'

'mediocritas' transformed into the Old French word 'mediocrité,' and eventually became the modern English word 'mediocrity' through Middle English.

Initially, it meant 'middle state or condition,' but over time it evolved into its current meaning of 'moderate ability or value.'