- regression (to something)
the process of going back to an earlier or less advanced form or state 倒退;回归;退化 He began to show signs of regression to his childhood. 他开始显示出回归童年的迹象。
Word Originlate Middle English: from Latin regressio(n-), from regredi ‘go back, return’, from re- ‘back’ + gradi ‘walk’.