omphalos

omphalos
[ˈɒmfəlɒs]
(pl. omphaloi -lɔɪ)
  1. (poetic/literary)the centre or hub of something
    (诗/文)中心
    this was the omphalos of confusion and strife.
    这是混乱和冲突的中心。
    ■a conical stone (especially that at Delphi) representing the navel of the earth in ancient Greek mythology
    (尤指在特尔斐古希腊神话中代表地球中心的)圆锥形石
    ■a boss on an ancient Greek shield
    (古希腊盾上的)浮饰,星
语源
  1. Greek, literally navel, boss'
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