Where does “ain-diadhachd” come from?

ain-diadhachd (Scottish Gaelic) comes from Scottish Gaelic an, from Old Irish ín, from Proto-Celtic sindos, from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.

ain-diadhachd (Scottish Gaelic): atheism; irreligion, impiety

Definitions

  1. atheism; irreligion, impiety

Ancestry of “ain-diadhachd”, step by step

ain-diadhachd traces back through two separate lines of ancestry.

via Scottish Gaelic an

StepLanguageWordMeaning
1Scottish Gaelicanthe; their; in
2Old Irishínfast, period of fasting
3Proto-Celticsindosthis
4Proto-Indo-Europeansḗmone
5Proto-Indo-Europeansem-together, one

via Scottish Gaelic dia

StepLanguageWordMeaning
1Scottish Gaelicdiagod, deity
2Old Irishdíaday; god
3Proto-Italicdeiwosgod, deity
4Proto-Indo-Europeandeywósgod
5Proto-Indo-Europeandyew-to be bright; sky, heaven
Every word from Proto-Indo-European sem-Every word from Proto-Indo-European sḗmEvery word from Proto-Celtic sindos