Where does “untreated” come from?

Untreated derives from English treat with the prefix un-, ultimately from Latin unus meaning "one," tracing back through Proto-Indo-European óynos and further to Proto-Indo-European h₂ent-.

untreated (English): Not treated

Definitions

  1. Not treated

Ancestry of “untreated”, step by step

StepLanguageWordMeaning
1EnglishUn-not
2Middle Englishun-—
3Old Englishun-negation or absence of: un-, non-; bad; forms...
4Proto-West Germanicun-not, un-
5Proto-Germanicun-not, un-
6Proto-Indo-Europeann̥-not, un-
7Proto-Indo-Europeannenot
Every word from Proto-Indo-European ne →Every word from English Un- →Every word from Proto-Indo-European n̥- →