n. Dewrotting; the process of decomposing the gummy matter of flax and hemp and setting the fibrous part, by exposure on a sward to dew, rain, and sunshine. [ 1913 Webster ]
[こんぜさくひ, konzesakuhi] (exp) complete reversal of values or ways of thinking (over time); What appeared wrong in the past now appears right; realizing and regretting the past errors of one's ways