[B]y swamps then in general is to be understood any low grounds subject to inundations, distinguished from marshes, in having a large growth of timber, and much underwood, canes, reeds, wythes, vines, briers, and such like, so matted together, that they are in a great measure impenetrable to man or beast .... [Bernard Romans, "A Concise History of East and West Florida," 1775]More popular in U.S. (swamp (n.) by itself is first attested 1624 in Capt. John Smith's description of Virginia). Swamp-oak is from 1680s, American English. Swamp Yankee "rural, rustic New Englander" is attested from 1941. Thornton's "American Glossary" (1912) has swamp-angel "dweller in a swamp," swamp-law "might makes right."
混 合 词 , 来 自 中 古 英 语 swam, 沼 泽 , 和 中 古 英 语 sompe, 沼 泽 , 最 终 都 来 自 Proto-Germanic*sumpaz,沼泽,泥沼,词源同 sump.引申比喻义陷入沼泽,淹没,疲于应付等。