Where does “aonadach” come from?

aonadach (Irish) comes from Irish aonad, from Irish aon, from Old Irish óen, from Proto-Celtic oinos, from Proto-Indo-European óynos — one; single.

aonadach (Irish): unitary

Definitions

  1. unitary

Ancestry of “aonadach”, step by step

aonadach traces back through two separate lines of ancestry.

via Irish aonad

StepLanguageWordMeaning
1Irishaonadunit
2Irishaonone; any; breast, chimney-piece
3Old Irishóenone
4Proto-Celticoinosone
5Proto-Indo-Europeanóynosone; single

via Irish ách

StepLanguageWordMeaning
1IrisháchAlternative form of ach
2Old Irishachtbut; provided; inflection of aigid: ##...
3Proto-Celticextosexcept, but
4Proto-Indo-Europeaneǵʰsout; from, out of
Every word from Proto-Indo-European óynos →Every word from Proto-Celtic oinos →Every word from Old Irish óen →