fug

n. 闷浊空气
vi. 呆在闷室中
vt. 使闷热

fug

n.（名词）
A heavy, stale atmosphere, especially the musty air of an overcrowded or poorly ventilated room:
室内的闷热空气（或气味）：一种沉闷、不新鲜的气氛，尤指由于屋内人太多或通风不好造成的有霉味空气：
例句：
.In spite of the open windows the stench had become a reeking fug.(Colleen McCullough)
.尽管开着窗但臭气已经弥漫空气.(科琳·麦卡洛)


来源：
Perhaps alteration of fogo [stench]
可能为 fogo的变化 [恶臭]