peristaltic (adj.)youdaoicibaDictYouDict[peristaltic 词源字典]
1650s, from Modern Latin, from Greek peristaltikos (Galen), literally "contracting around," from peri (see peri-) "around, about" + stalsis "checking, constriction," related to stellein "draw in, bring together; set in order" (see diastole).[peristaltic etymology, peristaltic origin, 英语词源]