Where does “semioxygenated” come from?

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

semioxygenated (English): Combined with oxygen only in part

Definitions

  1. Combined with oxygen only in part

Ancestry of “semioxygenated”, step by step

semioxygenated 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 oxygenated

StepLanguageWordMeaning
1Englishoxygenatedsimple past tense and past participle of...
Every word from Proto-Indo-European sēmiEvery word from English semi-Every word from English semi