Where does “unsimultaneous” come from?

unsimultaneous (English) comes from English simultaneous, from Medieval Latin simultaneus, from Latin simul, from Latin similis, from Proto-Italic semalis, from Proto-Indo-European sem- — together, one.

unsimultaneous (English): Not simultaneous

Definitions

  1. Not simultaneous

Ancestry of “unsimultaneous”, step by step

unsimultaneous traces back through two separate lines of ancestry.

via English simultaneous

StepLanguageWordMeaning
1EnglishsimultaneousHappening at the same moment; To be solved for...
2Medieval Latinsimultaneusacting together; existing at the same time
3LatinsimulAt the same time; simultaneously; As soon as
4Latinsimilissimilar
5Proto-Italicsemalissimiliar
6Proto-Indo-Europeansem-together, one

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European sem-