Where does “hvalper” come from?

hvalper (Old Swedish) comes from Old Norse hvelpr, from Proto-Germanic hwelpaz, from Proto-Indo-European (s)kale-.

Ancestry of “hvalper”, step by step

StepLanguageWordMeaning
1Old Norsehvelprpuppy
2Proto-Germanichwelpazwhelp, pup
3Proto-Indo-European(s)kale-—
Every word from Proto-Indo-European (s)kale- →Every word from Proto-Germanic hwelpaz →Every word from Old Norse hvelpr →