What is the meaning of the suffix '-ology'?

The suffix '-ology' is derived from the Greek word 'logia,' which means 'the study of' a particular subject or field. It is commonly used in various scientific and academic fields to denote branches of knowledge. For example, biology is the study of life; geology is the study of the earth. Therefore, understanding that '-ology' signifies the act or process of studying something helps clarify its foundational purpose in related terms.