Where does “sylwi” come from?

sylwi (Welsh) comes from Welsh i, from Middle Welsh y, from Old Welsh ir, from Proto-Celtic sindos, from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.

sylwi (Welsh): to observe, to notice

Definitions

  1. to observe, to notice

Ancestry of “sylwi”, step by step

sylwi traces back through two separate lines of ancestry.

via Welsh i

StepLanguageWordMeaning
1WelshiI, me; to, for; that
2Middle Welshyhis, its with reference to a masculine noun; triggers soft mutation of following consonant
3Old Welshirthe
4Proto-Celticsindosthis
5Proto-Indo-Europeansḗmone
6Proto-Indo-Europeansem-together, one

via Welsh sylw

StepLanguageWordMeaning
1Welshsylwattention, focus; observation, remark, comment
Every word from Proto-Indo-European sem-