| 词汇 | umbilical |
| 词根词缀 | 词源： "pertaining to the navel," 1541, from M.L. umbilicalis "of the navel," from L. umbilicus "navel," from PIE *onobh- (source of Gk. omphalos and related to *nobh, source of navel). First record of umbilical cord is from 1753. Umbilicus for "navel" is attested from 1693 but mostly is confined to medical writing. |
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