Fourfold

Part of speech: noun (n.)

Four times as many or as much.

Part of speech: verb (v.)

To make four times as much or as many, as an assessment,; to quadruple.

Part of speech: adjective (a.)

Four times; quadruple; as, a fourfold division. He snall restore the lamb fourfold. 2 Sam. xii. 6.