diastase (n.)youdaoicibaDictYouDict[diastase 词源字典]
enzyme or group of enzymes found in a seed and capable of converting starch into sugar, coined 1833 by Payen and Persoz from Greek diastasis "a setting apart," from dia- "across" (see dia-) + stasis "a standing" (see stasis).[diastase etymology, diastase origin, 英语词源]