anadromousWiktionary 原文英/əˈnad.rə.məs/美/əˈnæd.rə.məs/构词拆解anaana-前缀dromous-dromous后缀ana-up, above, upward · again-dromousrunning or moving in a specified manner词源链古希腊语Ancient Greek约前 1500–前 300 年ἀνάδρομος‘fish entering a river from the sea’↓ 派生英语Englishanadromous词源说明From Ancient Greek ἀνάδρομος (anádromos, “fish entering a river from the sea”). By surface analysis, ana- + -dromous.释义形容词adjective1of a migratory fishThat lives in the sea and breeds in fresh water.2(botany) Of a fern: in which the first veins in a frond segment are produced towards the apex of the frond.