IPA: /dɪˈzɪst/
KK: /dɪˈzɪst/
To stop doing something or to refrain from continuing an action.
She decided to desist from arguing and let the matter go.
Past: desisted
Past Participle: desisted
Desist is formed from "de-" (meaning down or away) and "sistere" (meaning to stand). The word means to stand down or to stop doing something.
Think of 'standing down' ('sistere') from an action when you see 'de-' meaning away.