Where does “caseharden” come from?

caseharden (English) comes from English Case, from German Käse, from Middle High German kæse, from Old High German kāsi, from Proto-West Germanic kāsī, from Proto-Germanic kāsijaz, from Latin cāseus, from Proto-Indo-European kwat- — to ferment, become sour; to boil.

caseharden (English): To harden the surface of iron or steel by...

Definitions

  1. To harden the surface of iron or steel by...

Ancestry of “caseharden”, step by step

caseharden traces back through two separate lines of ancestry.

via English Case

StepLanguageWordMeaning
1EnglishCaseabstract feature of a noun phrase that determines...
2GermanKäsecheese; nonsense
3Middle High Germankæsecheese
4Old High Germankāsicheese
5Proto-West Germanickāsīcheese
6Proto-Germanickāsijazcheese
7Latincāseuscheese
8Proto-Indo-Europeankwat-to ferment, become sour; to boil

via English harden

StepLanguageWordMeaning
1EnglishhardenTo become hard; To make something hard or harder;...
2Middle Englishhardenen
Every word from Proto-Indo-European kwat-Every word from Latin cāseusEvery word from Proto-Germanic kāsijaz