miasmat- 基本词源 stem.污渍stain污染pollute玷污defile腐败corrupt相关词根miasm-;miasma-源自希腊语miasma genitive miasmatos stain,pollution,defilement,taint of guilt,来自stem of miainein to pollute,来自possible PIE词根*mai- to stain,soil,defile source of 古英语 mal stain,mark, see mole (n.1).