Tsurezuregusa

http://en.wikipedia.org/wiki/Tsurezuregusa
http://ja.wikipedia.org/wiki/%E5%BE%92%E7%84%B6%E8%8D%89

The work takes its name from its preface passage:

つれづれなるまゝに、日暮らし、硯にむかひて、心にうつりゆくよしなし事を、そこはかとなく書きつくれば、あやしうこそものぐるほしけれ。
Tsurezurenaru mama ni, hikurashi, suzuri ni mukaite, kokoro ni utsuriyuku yoshinashigoto wo, sokowakatonaku kakitsukureba, ayashū koso monoguruoshikere.

In Keene's translation:

What a strange, demented feeling it gives me when I realise I have spent whole days before this inkstone, with nothing better to do, jotting down at random whatever nonsensical thoughts that have entered my head.

where つれづれ (tsurezure) means “having nothing to do.”

For comparison, Sansom’s translation:

To while away the idle hours, seated the livelong day before the inkslab, by jotting down without order or purpose whatever trifling thoughts pass through my mind, truly this is a queer and crazy thing to do!