incursionyoudaoicibaDictYouDict[incursion 词源字典]
incursion: see course
[incursion etymology, incursion origin, 英语词源]
incursion (n.)youdaoicibaDictYouDict
"hostile attack," early 15c., from Middle French incursion (14c.) or directly from Latin incursionem (nominative incursio) "a running against," noun of action from past participle stem of incurrere (see incur).