ischaemia (n.)youdaoicibaDictYouDict[ischaemia 词源字典]
also ischemia, 1866 (but as far back as 1660s in form ischaimes), from medical Latin ischaemia, from ischaemus "stopping blood," from Greek iskhaimos "stanching or stopping of blood," from iskhein "to hold" + haima "blood" (see -emia). Related: Ischemic.[ischaemia etymology, ischaemia origin, 英语词源]