amniocentesis (n.)youdaoicibaDictYouDict[amniocentesis 词源字典]
1958, Modern Latin, from amnion (see amniotic) + centesis "surgical puncture," from Greek kentesis "a pricking," from kentein "to prick," related to kontos "pole" (see center (n.)).[amniocentesis etymology, amniocentesis origin, 英语词源]