Where does “Хаммаршельд” come from?

Хаммаршельд (Russian) comes from Swedish Hammarskjöld, from Swedish hammare, from Old Swedish hamar, from Old Norse hamarr, from Proto-Germanic hamaraz, from Proto-Indo-European h₂eḱmoros, from Proto-Indo-European h₂éḱmō, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “Хаммаршельд”, step by step

StepLanguageWordMeaning
1SwedishHammarskjöld
2Swedishhammarea hammer; a hammer; in a piano or dulcimer, a...
3Old Swedishhamarhammer; mountain height, outcrop
4Old Norsehamarrstone; a steep cliff, crag, a rock face; hammer
5Proto-Germanichamarazhammer
6Proto-Indo-Europeanh₂eḱmoros
7Proto-Indo-Europeanh₂éḱmōstone
8Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂éḱmōEvery word from Proto-Indo-European h₂eḱmoros