Where does “semiharden” come from?

semiharden (English) comes from English semi, from English semi-, from Latin sēmi-, from Proto-Indo-European sēmi — half; partially.

semiharden (English): To harden partially; to make semihard

Definitions

  1. To harden partially; to make semihard

Ancestry of “semiharden”, step by step

semiharden traces back through two separate lines of ancestry.

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially

via English harden

StepLanguageWordMeaning
1EnglishhardenTo become hard; To make something hard or harder;...
2Middle Englishhardenen—
Every word from Proto-Indo-European sēmi →Every word from English semi- →Every word from English semi →
semiharden — Etymology, Origin & Word History | Etymology Explorer