ThanetianWiktionary 原文英美构词拆解ThanetThanet词干ian-ian后缀-ian(as an adjective) From, related to, or like. · (as a noun) One from, belonging to, relating to, or like.词源说明From Thanet + -ian.释义专有名词proper noun1(geology, paleontology) A subdivision of the Paleocene epoch.