decoction

He chewed the gum to make his breath sweet and drank a decoction of the root to make him live forever.

From the infusion made with boiling water, or from the decoction.

From the infusion or decoction of the root of white bryony (Bryonia dioica).

By evaporating the decoction, or the infusion made with hot water.

From the decoction of the fresh root of couch grass, evaporated to the consistence of new honey.