Where does “cōbaltum” come from?

cōbaltum (New Latin) comes from German kobalt, from English Kobold, from German Kobold, from Middle High German holt, from Old High German hold, from Proto-West Germanic *holþ, from Proto-Germanic hulþaz, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “cōbaltum”, step by step

StepLanguageWordMeaning
1Germankobaltcobalt
2EnglishKoboldgoblin
3GermanKoboldkobold, goblin
4Middle High Germanholtgoblin
5Old High Germanholdfriendly, loyal
6Proto-West Germanic*holþgracious
7Proto-Germanichulþazinclined, favourable; gracious, devoted, loyal;...
8Proto-Indo-Europeanḱel-to cover; to incline

Words derived from “cōbaltum

Every word from Proto-Indo-European ḱel-Every word from Proto-Germanic hulþazEvery word from Proto-West Germanic *holþ