Every one is familiar with the change in meaning that the word “gay” has undergone over the years. This leads to amusingly sexualized phrases like “to have a gay time”.
Here is another one of those silly word games that only Time (not the magazine, this was from the Literary Digest) can play.
From July 8, 1898 we have this advertizement on the back page, lower left:
Thoughtfully hyphenated for pronunciation, we get a come-on from a company making tooth brushes called “Prophylactics”. Strictly speaking, a prophylactic is a preventative of some sort. In this case, they are trying to prevent tooth decay. Evidently the company stuck with the name when they branched out into hair brushes.