Where does “mercify” come from?

mercify (English) comes from English mercy, from Middle English mercy, from Middle English -ful, from Old English -ful, from Proto-Germanic -fullaz, from Proto-Germanic fullaz, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

mercify (English): To have mercy on; to pity

Definitions

  1. To have mercy on; to pity

Ancestry of “mercify”, step by step

mercify traces back through two separate lines of ancestry.

via English mercy

StepLanguageWordMeaning
1EnglishmercyRelenting; forbearance to cause or allow harm to...
2Middle EnglishmercyAlternative form of mercien
3Middle English-fulAppended to nouns to form adjectives denoting...
4Old English-fulfull of; -ful
5Proto-Germanic-fullaz-ful
6Proto-Germanicfullazfull; the whole, the entire
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill

via English fy

StepLanguageWordMeaning
1EnglishfyExpressing disapproval; To digest
2Latinfipah!, pooh!, foh!, bah!, an expression of...
3LatinfacioI do; I make, construct, fashion, frame, build,...
4Proto-Italicfakjōto make
5Proto-Italic*θakjō
6Proto-Indo-European*dʰh₁k-yé-ti
7Proto-Indo-Europeandʰeh₁-to do, put, place
Every word from Proto-Indo-European pleh₁-