Origin: Latin prefix inter-
Intervene has 4 different meanings across 1 category:
be placed or located between other things or extend between spaces and events
"This interludes intervenes between the two movements"
"Eight days intervened"
occur between other event or between certain points of time
"the war intervened between the birth of her two children"
To become involved in a situation, so as to alter or prevent an action.
"The referee had to intervene when the two players started fighting on the field."