Where does “eerisome” come from?

eerisome (English) comes from English eerie, from Middle English eri, from Old English earg, from Proto-West Germanic arg, from Proto-Germanic argaz, from Proto-Indo-European h₁ergʰ- — to go, move; to mount; to move, go.

eerisome (English): Characterised or marked by eeriness; causing fear

Definitions

  1. Characterised or marked by eeriness; causing fear

Ancestry of “eerisome”, step by step

eerisome traces back through two separate lines of ancestry.

via English eerie

StepLanguageWordMeaning
1EnglisheerieStrange, weird, fear-inspiring; Frightened, timid
2Middle Englisherifrightening, fearing
3Old Englisheargcowardly; a coward
4Proto-West Germanicargcowardly
5Proto-Germanicargazunmanly, cowardly, unworthy, indecent
6Proto-Indo-Europeanh₁ergʰ-to go, move; to mount; to move, go

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
Every word from Proto-Indo-European h₁ergʰ-Every word from Proto-Germanic argazEvery word from Proto-West Germanic arg