One thing cannot live on its own yet, so a cord runs to it and carries what it needs: food, air, power, money, care. The cord feeds and holds at the same time. Sooner or later somebody cuts it, and after that the far end is on its own.
umbilical cord 的核心畫面可以想成一條「還沒斷開的補給線」。線的一端是還不能自己活下去的東西,另一端是餵養它的來源。線上流著它需要的一切:養分、氧氣、電力,或是照顧和金錢。這條線同時在餵養,也同時在綁住。所以英文用到它的時候,常常兩種味道一起出現:被支撐著,也還沒獨立。最後一步往往是 cut——剪斷之後,才算自己站著。從真的臍帶,到太空人的管線,再到人跟家鄉的牽連,走的都是同一個畫面。
From the word’s history
The compound is umbilical (of the navel) plus cord. It is first recorded in 1753 and gradually replaced the older English name navel-string.
這個詞由 umbilical(肚臍的)加 cord(繩、索)組成,字面就是「肚臍那條索」。最早的紀錄在 1753 年,後來慢慢取代了更早的說法 navel-string。
Wiktionary, "umbilical cord"
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