internecine
adjective/ˌɪntəˈniːsaɪn/
/ˌɪntərˈniːsn/
[only before noun] (formal)- happening between members of the same group, country or organization
- internecine struggles/warfare/feuds
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’.
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internecine