in·ter·ne·cine
adjective/ˌɪntəˈniːsaɪn/
/ˌɪntərˈniːsn/
[only before noun] (formal)- happening between members of the same group, country or organization
（团体、国家、组织）内部发生的，内讧的 - internecine struggles/warfare/feuds
内部斗争；内战；内部世仇
Oxford Collocations DictionaryInternecine is used with these nouns:- feud
- strife
- struggle
- …
Word Originmid 17th cent. (in the sense ‘deadly, characterized by great slaughter’): from Latin internecinus, based on inter- ‘among’ + necare ‘to kill’. - internecine struggles/warfare/feuds