regurgitation (n.)youdaoicibaDictYouDict[regurgitation 词源字典]
c. 1600, from Medieval Latin regurgitationem (nominative regurgitatio), noun of action from past participle stem of regurgitare "to overflow," from re- "back" (see re-) + Late Latin gurgitare "engulf, flood" (found in Latin ingurgitare "to pour in"), from gurges "whirlpool, gorge, abyss" (see gurges).[regurgitation etymology, regurgitation origin, 英语词源]