Where does “infighting” come from?

Infighting comes from Middle English in- prefixed to fighting, with the prefix ultimately deriving from Latin in- and Latin in, both related to Proto-Indo-European ne, oyd-, and en.

infighting (English): Fighting or quarreling among the members of a...

Definitions

  1. Fighting or quarreling among the members of a...

Ancestry of “infighting”, step by step

infighting traces back through two separate lines of ancestry.

via English fighting

StepLanguageWordMeaning
1Englishfightingpresent participle of fight; Engaged in war or...
2Middle Englishfeghtyng
3Old Englishfeohtende
4Proto-Germanicfehtandz
5Proto-Germanicfehtanąto comb, detangle
6Proto-Indo-Europeanpeḱ-to pluck; livestock; wealth

via Middle English infighten

StepLanguageWordMeaning
1Middle Englishinfightento attack
2Old Englishinfihtan attack made upon a person by one inhabiting...
3Old Englishfeohtfight
4Proto-West Germanicfehtanto fight

Words derived from “infighting

Every word from Proto-Indo-European peḱ-