"Inhabiting marshes; specifically of or belonging to the suborder Paludicola of triclad turbellarian worms. Also occasionally: relating to or designating marshland as a habitat", Mid 19th cent.; earliest use found in Robert Mayne (1808–1868). From paludi- + -colous, after scientific Latin paludicola.[paludicolous etymology, paludicolous origin, 英语词源]