Umbilical
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 01:33的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=umbilical+etymology&newwindow=1&hl=en ref] mid 16th century: from French ombilical, or ba…”的新页面）
mid 16th century: from French ombilical, or based on Latin umbilicus (see umbilicus).
wiktionary
Formed from Latin umbilicus(“navel”) + the suffix -al.
etymonline
umbilical (adj.)
"pertaining to the navel," 1540s, from Medieval Latin umbilicalis "of the navel," from Latin umbilicus "navel" (see umbilicus). Umbilical cord attested by 1753 (the native term is navel string).
