this is Compound Verb ( A compound verb is a verb that uses multiple words to form a single verb ) there are four type of compound verb :-
prepositional :- when a preposition combine with a verb to add detail in it.
( like :- believe in , care for )
Phrasal :- when a verb combine with a prepositional adverb .
(like :- tear off , run out)
Auxiliary :- when a verb combine with helping verb . and often used when talking in different tense . ( like :- was walking , will meet )
Combine single word :- when single verb made from multiple words .sometimes they are joined sometimes differently.
( like :- babysit , water proof , stir fry )