Split (verb)

1. To divide into parts or sections.
2. To separate into two or more parts, pieces, or groups.
3. To break or cause to break apart into pieces or sections.

Origin:

Middle english splitten, from old english splittan, from proto-germanic *splitaną.

Examples:

1. The group of friends split up and went their separate ways.
2. She split the pile of firewood into smaller pieces.
3. He split the deck of cards into two equal piles.
4. The company plans to split its operations into two separate divisions.
5. The atom split into two smaller atoms during the reaction.