Dear Ole, Nina and Keren,
Ole is right that this niddesa talks about guhaa.
As for the title, guhat.t.hakasuttaniddesa, it is a four-part compound
meaning "the 'niddesa' of 'eight' 'suttas' on 'guhaa'", as Nina explained.
metta,
Yong Peng.
--- In Pali@yahoogroups.com, Ole Holten Pind wrote:
The first verse of the Guha.t.thaka-sutta explains this compound. It
denotes someone standing in a cave guhaa.
> I cannot find the word guhat.t.haka in the dictionary. Can anyone
help me understand this word/compound?