Sentence:  This approach has been referred to as an omphaloskeptic method of design, so called after the term <WSD>omphaloskepsis</WSD> used to describe the technique of meditation through contemplation of the navel (from the Greek "omphalos" for navel and "skepsis" for examination). 
Meaning of the word marked with <WSD> tags:  ratiocination to the point of self-absorption