Where does “scagthach” come from?

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

scagthach (Irish): filtering, refining, sifting

Definitions

  1. filtering, refining, sifting

Ancestry of “scagthach”, step by step

scagthach 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 scagadh

StepLanguageWordMeaning
1Irishscagadhverbal noun of scag; filtration; refinement
Every word from Proto-Indo-European eǵʰs →Every word from Proto-Celtic extos →Every word from Old Irish acht →