Definition: The term 'agst' in English is a homophone of the verb 'age', which means to grow old or mature older. In Latin, 'age' meant to grow old or become old. In English, it can also mean growing up, becoming young or old. Definition: The term agst is derived from the Old French form of the Latin word 'agusto', meaning "old and aged". It describes a period of increased maturity or age for an individual, often followed by the expression 'ageing'. This term was used to describe the process of aging in English-speaking countries during the Victorian era.