"Kevin Wayne Williams" <kww.nihongo@verizon.nut> wrote in message 
news:11m4nhr9h0vsq74@news.supernews.com...
>>
> Idle curiousity ... the etymology of ポンジー is pretty obvious, but
> does anyone know where ネズミ講 comes from?

「ネズミ算(ざん)」などという言葉が直ちに頭に浮かび
ますが・・・。
                 上 柴 公 二