To enter into
Example: They enter into a formal agreement
Definition
"To enter into" means to begin or engage in a formal or official action, agreement, or relationship, such as when parties "enter into" a contract or negotiation, indicating the start of a commitment or involvement.
Etymology
The phrase "to enter into" comes from the verb "enter," which traces back to Old French 'entrer' and Latin 'intrare,' meaning 'to go inside.' The addition of "into" emphasizes moving inside or becoming involved in something, often used metaphorically for agreements or discussions.