There was something glad in your glance, and genial in your manner, when you conversed: I saw you had a social heart; it was the silent schoolroom — it was the tedium of your life — that made you mournful.
There are no more uses of "tedium" in the book.
Show samples from other sources
I’m. pleased to have found a friend at these balls, where I expected to find only tedium… Does Ella (oops) Lela want more than friendship?
Gail Carson Levine -- Ella Enchanted
They hate the guards, they hate the food, they hate the tedium.