Where does “mournsome” come from?

mournsome (English) comes 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.

mournsome (English): Characterised by mourning; mournful

Definitions

  1. Characterised by mourning; mournful

Ancestry of “mournsome”, step by step

mournsome traces back through two separate lines of ancestry.

via English some

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

via English mourn

StepLanguageWordMeaning
1EnglishmournTo express sadness or sorrow for; to grieve over;...
2Middle EnglishmornenTo grieve; to feel sad or upset
3Old Englishmurnanto care for, worry about; to be sorrowful, to...
4Proto-Germanicmurnanąto feel sorrow or grief; to mourn
5Proto-Indo-European(s)mer-to fall into thinking, remember, care for; to...
Every word from Proto-Indo-European sem-Every word from Proto-Germanic sumazEvery word from Proto-West Germanic *sum