Where does “untiresome” come from?

untiresome (English) comes from English tiresome, from English some, from Middle English som, from Old English sum, from Proto-West Germanic *sum, from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

untiresome (English): Not tiresome

Definitions

  1. Not tiresome

Ancestry of “untiresome”, step by step

untiresome traces back through two separate lines of ancestry.

via English tiresome

StepLanguageWordMeaning
1EnglishtiresomeCausing fatigue or boredom; wearisome
2EnglishsomeA certain number, at least two; An indefinite...
3Middle Englishsomsome
4Old Englishsumsome
5Proto-West Germanic*sumsome
6Proto-Germanicsumazsome (one), a certain (one)
7Proto-Indo-Europeansem-together, one

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European sem-Every word from Proto-Germanic sumazEvery word from Proto-West Germanic *sum