Where does “lithosome” come from?

lithosome (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.

lithosome (English): A uniform mass of rock that has different...

Definitions

  1. A uniform mass of rock that has different...

Ancestry of “lithosome”, step by step

lithosome 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 litho

StepLanguageWordMeaning
1EnglishlithoClipping of lithographic; To lithograph
Every word from Proto-Indo-European sem-