Etymology Explorer › Middle English

Where does “fratricide” come from?

fratricide (Middle English) comes from Middle French fratricide, from Latin fratricidium, from Latin -cīdium, from Latin -ium, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “fratricide”, step by step

StepLanguageWordMeaning
1Middle Frenchfratricide—
2Latinfratricidiumthe murder of a brother, fratricide
3Latin-cīdium—
4Latin-iumSuffix used to form abstract nouns, sometimes...
5Latin-iusforming adjectives from nouns; nominative neuter...
6Proto-Italic-jōsForms comparative adjectives
7Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “fratricide”

  • fratricidal
  • fratricide
  • fratricidally
Every word from Proto-Indo-European -yós →