Other forms: recommenced; recommencing; recommences
The verb recommence means "begin again." Play may recommence in a baseball game after a rain delay, for example, or your diet may recommence after the new year.
When you see the re- prefix on this word, you likely know that recommence is going to involve something that is done again. Commence means “begin.” So, when you recommence something, you start it again, like studying all day, taking a break for dinner, then recommencing the studying in the evening.