Korean

The name "Korea" derives from "Goryeo" (고려), the name of a medieval Korean dynasty (918–1392), which itself originated from the earlier kingdom of Goguryeo. European travelers in the late Middle Ages and Renaissance adopted this name, which entered English in various forms like "Corea" and later standardized as "Korea". The English suffix "-an", from Latin "-anus" via Old French, was appended to form the demonym "Korean", meaning "of or pertaining to Korea". This follows a standard pattern in English for forming geographical adjectives and ethnonyms, such as "Italian" or "Mexican". Thus, the term encapsulates a historical national identity filtered through Western linguistic convention.

The word "Korean" is a proper adjective/noun derived from the name of the country "Korea". It is not productively formed from smaller, independent English morphemes. The suffix "-an" is a common English denominal suffix (of Latin origin via French) used to form adjectives and nouns meaning "of or pertaining to" a place (e.g., American, Roman). However, in this case, the base "Korea" is a proper name and cannot be meaningfully segmented further in modern English.