Where does “síondíonach” come from?

síondíonach (Irish) comes from Irish síon, from Old Irish sín, from Proto-Celtic sindos, from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.

síondíonach (Irish): weatherproof

Definitions

  1. weatherproof

Ancestry of “síondíonach”, step by step

síondíonach traces back through two separate lines of ancestry.

via Irish síon

StepLanguageWordMeaning
1Irishsíonweather
2Old Irishsínweather
3Proto-Celticsindosthis
4Proto-Indo-Europeansḗmone
5Proto-Indo-Europeansem-together, one

via Irish díonach

StepLanguageWordMeaning
1Irishdíonachprotective; impermeable, proof
2Old Irishdínachprotecting, protected
Every word from Proto-Indo-European sem- →Every word from Proto-Indo-European sḗm →Every word from Proto-Celtic sindos →