congeal (v.)youdaoicibaDictYouDict[congeal 词源字典]
late 14c., from Old French congeler (14c.) "to freeze, thicken," from Latin congelare "to cause to freeze, to freeze together," from com- "together" (see com-) + gelare "to freeze," from gelu "frost, ice" (see cold (adj.)). Related: Congealed; congealing.[congeal etymology, congeal origin, 英语词源]