retrospection
/ˌretrəʊˈspekʃən/noun
mass noun
- the action of looking back on or reviewing past events or situations, especially those in one's own life（尤指对自己经历的事的）回顾, 回溯, 回想：
he was disinclined to indulge in retrospection.
他不愿沉湎于对往事的回顾。
词源
mid 17th cent.: probably from RETROSPECT (used as a verb).