Where does “Thor's hammer” come from?

Thor's hammer (English) comes from English Hammer, from Middle English hamer, from Old English hamor, from Proto-West Germanic *hamar, from Proto-Germanic hamaraz, from Proto-Indo-European h₂eḱmoros, from Proto-Indo-European h₂éḱmō, from Proto-Indo-European h₂eḱ- — sharp.

Thor's hammer (English): Mjöllnir (Mjollnir), the distinctively T-shaped war-hammer of the Norse thunder god Thor, or a representation thereof, now used as a symbol by various pagan religious groups

Definitions

  1. Mjöllnir (Mjollnir), the distinctively T-shaped war-hammer of the Norse thunder god Thor, or a representation thereof, now used as a symbol by various pagan religious groups

Ancestry of “Thor's hammer”, step by step

Thor's hammer traces back through two separate lines of ancestry.

via English Hammer

StepLanguageWordMeaning
1EnglishHammersomeone connected with West Ham Football Club, as...
2Middle EnglishhamerA hammer; A fierce individual; one with strong...
3Old Englishhamorhammer
4Proto-West Germanic*hamar
5Proto-Germanichamarazhammer
6Proto-Indo-Europeanh₂eḱmoros
7Proto-Indo-Europeanh₂éḱmōstone
8Proto-Indo-Europeanh₂eḱ-sharp

via English Þor

StepLanguageWordMeaning
1EnglishÞorAlternative spelling of Thor
2Old NorseþórrThor, thunder
3Proto-GermanicÞunrazThor, god of thunder
4Proto-Indo-European(s)ten-to thunder, rustle, rumble, drone, groan; to...
Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂éḱmōEvery word from Proto-Indo-European h₂eḱmoros
Thor's hammer — Etymology, Origin & Word History | Etymology Explorer