This week:

Opening the dictionary at random and poking down a finger brought me to the word "arnica," a sort of plant. This seemed less than useful till the second definition told me that the flowers of this plant are made into a tincture "much used as an external application in sprains and bruises."

Which did it right there.

This is the 47th chapter in our continuing saga, by the way. The 46th comes before it, therefore, the 48th comes after, and the 1st actually comes first.