Where does “unmanned” come from?

Unmanned derives from English un- plus manned, which comes from Latin unus, ultimately from Proto-Indo-European óynos meaning "one."

unmanned (English): not operated by a person or a crew; simple past...

Definitions

  1. not operated by a person or a crew; simple past...

Ancestry of “unmanned”, 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- →