Phrasal verbs consists of a basic verb + another word or words. The two or three words that make up a phrasal verb form a short 'phrase' - which is why we call them 'phrasal verbs'.
Phrasal Verb:
take something over
Meaning / Example:
1. to assume responsibility for a task. > It looks as if I'm going to have to take the project over. > I will take over the project.
2. to acquire all of an asset; [for a company] to acquire another company. > Carl set out to take the failing airline over.
3. to take control of something. > The dictator hoped to take over the world little by little.