dongeoun

Etymology
.

Noun

 * 1) A castle; a great fortification.
 * 2) The keep or donjon of a castle.
 * 3) A dungeon; an underground prison.
 * 4)  An abyssal prison, such as Hell or the world.
 * 5)  A rough dwelling or refuge.
 * 6)  A pit; an abyss.
 * 7)  A whirlpool or vortex.