Where does “oideasach” come from?

oideasach (Irish) comes from Irish oideas, from Irish oide, from Old Irish aite, from Proto-Celtic attiyos, from Proto-Indo-European átta — father.

oideasach (Irish): instructional, educational

Definitions

  1. instructional, educational

Ancestry of “oideasach”, step by step

oideasach traces back through two separate lines of ancestry.

via Irish oideas

StepLanguageWordMeaning
1Irishoideasinstruction; recipe; prescription
2Irishoidefoster father; tutor, teacher; coach
3Old Irishaitefoster father; teacher; tutor
4Proto-Celticattiyos—
5Proto-Indo-Europeanáttafather

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 átta →Every word from Proto-Celtic attiyos →Every word from Old Irish aite →