Contemplation of one's navel

Wiktionary Word definitions in Wiktionary
n. 1 contemplate of or meditate upon one's navel; navel-gazing. 2 (context figuratively English) ratiocination to the point of self-absorption

WordNet Word definitions in WordNet
n. contemplation of one's navel

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1925, from omphalo- + Greek -skepsis , from skeptesthai "to reflect, look, view" (see scope (n.1)). Also omphaloscopy (1931), and used in the sense of "navel-gazer" were omphalopsychic (1892), omphalopsychite (1882).

Wikipedia Word definitions in Wikipedia
Omphaloskepsis or navel-gazing is contemplation of one's navel as an aid to meditation . The word comes from Greek omphalos (navel) + skepsis (act of looking, examination). Actual use of the practice as an aid to contemplation of basic principles of the ...