英语词源字典 - 在线词源网站

saprophyte (n.)[saprophyte 词源字典]: "bacteria or fungus that grows on decaying organic matter," 1867, from French, from Greek sapros "putrid" + phyton "plant" (see phyto-). Related: Saprophytism.[saprophyte etymology, saprophyte origin, 英语词源]
uncorrupted (adj.): c. 1400, of organic matter, "not putrefied," from un- (1) "not" + past participle of corrupt (v.). From 1560s of persons, "not influenced by bribes."
polysaprobic: "Of, designating, or inhabiting an aquatic environment that is poor in dissolved oxygen and contains much chemically reducing decayed organic matter", 1920s. From poly- + saprobic, after German polysaprob; compare mesosaprobic, oligosaprobic.
oligosaprobic: "Of, designating, or inhabiting an aquatic environment that is rich in dissolved oxygen and (relatively) free from decayed organic matter", 1920s. From oligo- + saprobic, after German Oligosaprob.