recur

Of an event, situation, etc.: to appear or happen again, especially repeatedly.

Of a disease or symptom: to happen again, especially repeatedly or after a remission or an apparent recovery.

Of a memory, thought, etc.: to come to the mind again.

To speak, think, or write about something again; to go back or return to a memory, a subject, etc.

Followed by to, or (Scotland, obsolete) on or upon: to have recourse to someone or something for assistance, support, etc.; to appeal, to resort, to turn to.

Synonym of recurse (“to execute a procedure recursively”).

Often in the form recurring following a number: of a numeral or group of numerals in a decimal fraction: to repeat indefinitely.

Followed by into or to: to go to a place again; to return.

Followed by into or to: To go back to doing an activity, or to using a thing; to return.

Followed by to: to go to a place; to resort.