Girding Potion

"And this leaves you with the Girding Potion which may be consumed to increase one's endurance for a considerable number of weeks. I do warn those of you who wish to experiment with this potion that the maximum dosage is no more than two of these vials."

- Severus Snape.

The Girding Potion is a Potion that gives the consumer extra endurance. It presumably has a rather foul odour, as Hermione Granger noted when making it in 1996.

Concoction
The following recipe can be used to successfully make the Girding Potion :
 * 1) Add one set of fairy wings.
 * 2) Heat until the potion turns turquoise.
 * 3) Add one measure of doxy eggs.
 * 4) Heat until the potion turns pink.
 * 5) Add the toasted dragonfly thoraxes until the potion turns red.
 * 6) Heat until the potion turns blue.
 * 7) Add toasted dragonfly thoraxes until the potion turns silver.
 * 8) Heat the potion until it turns red.
 * 9) Add three measures of doxy eggs.
 * 10) Add some dragonfly thoraxes.
 * 11) Heat the potion until it turns blue.
 * 12) Add three flying seahorses.
 * 13) Heat until the potion turns green.

Etymology
From the English "to gird" which can mean one of three things: to encircle or bind with a belt or band; to surround, enclose or hem in; to prepare oneself for action. The latter is probably the intended meaning, a reference to its effects.

Appearances

 * Harry Potter and the Chamber of Secrets (video game)
 * Harry Potter and the Prisoner of Azkaban (video game)
 * Harry Potter and the Half-Blood Prince (video game)