曾经的曾经兜是曾经回忆的回忆兜是回忆
[céng jīng de céng jīng dōu shì céng jīng huí yì de huí yì dōu shì huí yì]
This name, which repeats the word '曾(ceng1)' meaning 'once' or 'former', conveys a complex sentiment that plays on words. It speaks about how one's former memories are like a loop of recollections.