Where does “Jalmari” come from?

Jalmari (Finnish) comes from Finnish Jalmar, from Swedish Hjalmar, from Old Norse Hjalmarr, from Old Norse herr, from Proto-Norse ᚺᚨᚱᛃᚨ, from Proto-Germanic harjaz, from Proto-Indo-European kóryos, from Proto-Indo-European ḱer- — army.

Ancestry of “Jalmari”, step by step

StepLanguageWordMeaning
1FinnishJalmar
2SwedishHjalmarrevived in the 19th century
3Old NorseHjalmarr
4Old Norseherrcrowd, great number; host; army, host, troops
5Proto-Norseᚺᚨᚱᛃᚨarmy leader; commander; warrior
6Proto-Germanicharjazarmy; army leader; commander; warrior
7Proto-Indo-Europeankóryoswar; troops; army; war, troops
8Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
9Proto-Indo-Europeankr̥-to turn, to bend
10Proto-Indo-Europeanker-army

Words derived from “Jalmari

Every word from Proto-Indo-European ker-Every word from Proto-Indo-European kr̥-Every word from Proto-Indo-European ḱer-