Where does “murdercide” come from?

murdercide (English) comes from English murder, from Middle English murder, from Middle English murthre, from Old English morþor, from Proto-Germanic murþrą, from Proto-Indo-European mrtro-, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

murdercide (English): A murder-suicide

Definitions

  1. A murder-suicide

Ancestry of “murdercide”, step by step

murdercide traces back through two separate lines of ancestry.

via English murder

StepLanguageWordMeaning
1EnglishmurderThe crime of deliberately killing another person...
2Middle Englishmurder
3Middle Englishmurthremurder
4Old Englishmorþormurder; great sin or crime, enormity
5Proto-Germanicmurþrąmurder
6Proto-Indo-Europeanmrtro-murder, death; killing
7Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

via English suicide

StepLanguageWordMeaning
1EnglishsuicideIntentional killing of oneself; A particular...
2Latinsuicidiumsuicide
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
Every word from Proto-Indo-European mer-Every word from Proto-Indo-European mrtro-Every word from Proto-Germanic murþrą