Where does “rialtach” come from?

rialtach (Irish) comes from Irish ách, from Old Irish acht, from Proto-Celtic extos, from Proto-Indo-European eǵʰs — out; from, out of.

rialtach (Irish): regular

Definitions

  1. regular

Ancestry of “rialtach”, step by step

rialtach traces back through two separate lines of ancestry.

via Irish ách

StepLanguageWordMeaning
1IrisháchAlternative form of ach
2Old Irishachtbut; provided; inflection of aigid: ##...
3Proto-Celticextosexcept, but
4Proto-Indo-Europeaneǵʰsout; from, out of

via Irish rialta

StepLanguageWordMeaning
1Irishrialtaregular
2Middle Irishríagaltabound by rule, regular
Every word from Proto-Indo-European eǵʰs →Every word from Proto-Celtic extos →Every word from Old Irish acht →