Two-part verbs. Some verbs are two-part verbs. They consist of a verb and a particle: grow + up. The children are growing up. Often this gives the verb a new meaning: take + after. She takes after her mother. (= She looks like her mother or she behaves like her mother.) More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.