inflammation (n.)youdaoicibaDictYouDict[inflammation 词源字典]
"excessive redness or swelling in a body part," early 15c., from Middle French inflammation and directly from Latin inflammationem (nominative inflammatio) "a setting on fire," noun of action from past participle stem of inflammare (see inflame). Literal sense in English from 1560s.[inflammation etymology, inflammation origin, 英语词源]