The compound term 'white-supremacist' is a modern ideological construct, formed in the late 19th to early 20th century. Its first element, 'white', derives from the Old English term for the color, which became a racial classifier in the early modern period. The core component, 'supremacist', is built on the Latin 'supremus', meaning 'highest' or 'most powerful', combined with the agent suffix '-ist'. The term literally denotes a person who advocates for the position of white people as the highest or most dominant group. This meaning evolved from the literal concept of a supreme rank into a specific socio-political doctrine asserting racial hierarchy.

Structure: white (color/race) + supreme (highest) + ist (person who advocates) white: From Old English 'hwīt', of Germanic origin; refers to the color and, by extension, to people of light-skinned races. supreme: From Latin 'supremus', the superlative of 'superus' (meaning 'that is above'); denotes the highest in rank or authority. ist: A suffix from Greek '-istēs', via Latin '-ista', forming agent nouns denoting a person who practices or is concerned with something.