Where does “murderer” come from?

Murderer comes from English murder plus the agent suffix -er, from Old French -er, from Latin -āre (infinitive ending) and -ārius (agent suffix), ultimately from Proto-Indo-European mer-.

murderer (English): A person who commits murder

Definitions

  1. A person who commits murder

Ancestry of “murderer”, step by step

murderer 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 ER

StepLanguageWordMeaning
1EnglishERThe statistic "Earned Run"; Initialism of...
2Turkisherearly; brave; man, male
3Ottoman Turkishایرsaddle, a seat for a rider placed on the back of a horse or other animal
4Old Anatolian Turkishایرearly, at a time in advance of the usual or expected event
5Proto-Turkicēdersaddle

Words derived from “murderer

Every word from Proto-Indo-European mer-