Vocab24 || Daily Editorial

Meaning:
To begin; to become fixed for a period of time

Begin to happen or become apparent

To become established as an internal or external condition, especially one that brings suffering or hardship to aperson or group of people

Example:
A severe cold spell set in early in November.

When high temperatures set in, the use of electricity went up considerably.

We must put a bandage on your wound before an infection sets in.