Subinfeudated means to grant land to someone else while still holding it from a higher lord.
This word is about giving land to someone else, but still keeping some power over it.
Examples:
He subinfeudated the land to his friend.
The king subinfeudated the land to the knight.
The land was subinfeudated to the peasants.
She subinfeudated the field to her sister, but she still had some power over it.
The wizard subinfeudated the forest to the animals, but he still had some magic power over it.
The mayor subinfeudated the park to the children, but he still had some rules for it.