consolidation (n.)youdaoicibaDictYouDict[consolidation 词源字典]
c. 1400, from Late Latin consolidationem (nominative consolidatio), noun of action from past participle stem of consolidare "to make firm, consolidate," from com- "together" (see com-) + solidare "to make solid," from solidus (see solid).[consolidation etymology, consolidation origin, 英语词源]