ˈäm(p)fəˌläs, -_ləs noun
( plural ompha·li -ˌlī, -ˌlē)
Etymology: Greek, literally, navel
1. : a central part : focal point
come to a sort of omphalos of the whole projected history — George Saintsbury
2. also om·pha·lus -_ləs
[New Latin, from Greek omphalos ]
: umbilicus