EUianWiktionary 原文构词拆分EU词根/词干“European Union”+-ian后缀(as an adjective) From, related to, or like. · (as a noun) One from, belonging to, relating to, or like.词源说明From EU (“European Union”) + -ian.释义（英文）名词 Noun(informal) A citizen or resident of the European Union.形容词 Adjective(informal) Of, from, or pertaining to the European Union.