Where does “Achillesferse” come from?

Achillesferse (German) comes from German Ferse, from Old High German fersana, from Proto-Germanic fersnō, from Proto-Indo-European tpḗrsneh₂, from Proto-Indo-European sperH- — to kick.

Achillesferse (German): Achilles heel

Definitions

  1. Achilles heel

Ancestry of “Achillesferse”, step by step

Achillesferse traces back through two separate lines of ancestry.

via German Ferse

StepLanguageWordMeaning
1GermanFerseheel
2Old High Germanfersana—
3Proto-Germanicfersnōheel
4Proto-Indo-Europeantpḗrsneh₂heel, upper thigh
5Proto-Indo-EuropeansperH-to kick

via German Achilles

StepLanguageWordMeaning
1GermanAchillesAchilles
Every word from Proto-Indo-European sperH- →Every word from Proto-Indo-European tpḗrsneh₂ →Every word from Proto-Germanic fersnō →