charcoal

On-Yomi: タン — Kun-Yomi: すみ

Koohii stories:

1) [tomusan] 8-4-2008(311): Burn enough charcoal and you'll have a mountain of ash.

2) [raulir] 30-4-2006(42): You get charcoal from volcano ("fire mountain", 火山 ) ashes.

3) [Killersquierl] 24-11-2007(37): Imagine a that a mountain fell onto a pile of ashes, compressing it into charcoal.

4) [Jaunty] 6-7-2009(24): A huge mountain sitting on top of some ashes will compress it into charcoal (I know not really - but this makes it easy to remember).

5) [blaked569] 24-4-2009(18): Gas or charcoal grill? BBQ aficionados agree: charcoal wins. The only downside is the mountain of ash to clean up afterwards.