The term 'systematics' is a modern scientific formation built upon the ancient Greek concept of sustēma, which meant a whole composed of several parts or members. This foundational idea of an organized, interconnected whole passed into Latin as systema and into English as 'system'. In the 18th and 19th centuries, as scientific disciplines became formalized, the suffix '-ics' (from Greek via Latin, denoting a field of study) was appended to 'system' to create 'systematics'. This new word specifically denotes the scientific study of the ordered relationships and classifications within a defined whole, such as the diversity of life, thereby transforming an ancient abstract noun for a composite entity into the name for a rigorous analytical science.

Structure: system (ordered whole) + atics (study or science of) - system: From Greek sustēma (a whole compounded of parts), via Late Latin systema. In this word, it functions as the base noun denoting the organized subject of study. - atics: A suffix derived from the Greek suffix -ikos (pertaining to), via Latin -ica and English -ics, used to form nouns denoting a body of knowledge, principles, or practices.