Yeshiva Week. Odd name for a week when there is no Yeshiva. Call it "Yeshiva-Break-Week". Or "Learn-Masechtos-You-Don't-Get-Chance-To-Learn-In-Yeshiva-Week" [or another nice short, pithy name].
Sorta like the fact that people DON'T work on LABOR Day...
Sorta like the fact that we park in a driveway and drive in a parkway.