enantiodromia
/ɪˌnæntɪəʊˈdrəʊmɪə/noun
mass noun
- rare the tendency of things to change into their opposites, especially as a supposed governing principle of natural cycles and of psychological development〈罕〉（事物的）向对立面转化的倾向。
词源
early 20th cent.: from Greek, literally 'running in opposite ways'.