Where does “blathersome” come from?

blathersome (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.

blathersome (English): Characterised or marked by blathering

Definitions

  1. Characterised or marked by blathering

Ancestry of “blathersome”, step by step

blathersome 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 blather

StepLanguageWordMeaning
1EnglishblatherTo talk rapidly without making much sense; To say...
2Middle Englishbletheren
3Old Norseblaðrabladder
4Proto-Germanicblēdrǭbladder
5Proto-Indo-Europeanbʰleh₁dʰreh₂(n)
Every word from Proto-Indo-European sem-Every word from Proto-Germanic sumazEvery word from Proto-West Germanic *sum