Where does “ploughshare” come from?

Ploughshare comes from Middle English schere, from Old Norse plógr, from Proto-Germanic plōgaz, ultimately from Proto-Indo-European sek-, meaning to cut or divide.

ploughshare (English): Alternative spelling of plowshare

Definitions

  1. Alternative spelling of plowshare

Ancestry of “ploughshare”, step by step

ploughshare traces back through two separate lines of ancestry.

via English Plough

StepLanguageWordMeaning
1EnglishPloughThe brightest seven stars of the constellation Ursa Major. They are Alkaid, Mizar, Alioth, Megrez, Dubhe, Merak, and Phecda
2Middle Englishplouh
3Old Englishplōhhide of land, ploughland
4Old Frisianplōgtroop, common interest
5Proto-Germanicplōgazplough
6Proto-Celticɸlowyosrudder
7Proto-Indo-Europeanplówyosship
8Proto-Indo-Europeanplew-to fly, flow, run

via English share

StepLanguageWordMeaning
1EnglishshareA portion of something, especially a portion...
2Middle EnglishschareA portion or share
3Old Englishscearua cutting; shaving; a shearing; tonsure
4Proto-West Germanic*skaru
5Proto-Germanicskarōa portion; share; a division; detachment; troop;...
6Proto-Indo-Europeansḱer-to caw, crow
Every word from Proto-Indo-European plew-Every word from Proto-Indo-European plówyosEvery word from Proto-Celtic ɸlowyos