썩

Etymology 1
Intensive form of.

Ideophone

 * 1)  while cutting in one quite powerful stroke
 * 2)  while quite forcefully pushing, while quite forcefully extending
 * 3) exceedingly
 * 4) swiftly, with haste
 * 1) swiftly, with haste

Etymology 2
Onomatopoeia.

Ideophone

 * 1)  while crunching and eating