Where does “aisghníomhaíocht” come from?

aisghníomhaíocht (Irish) comes from Irish ais-, from Irish áis, from Old Irish ais, from Proto-Celtic *axsi-, from Proto-Celtic *axsilā, from Proto-Indo-European h₂eḱs-, from Proto-Indo-European h₂eǵ- — to drive.

aisghníomhaíocht (Irish): retroactivity

Definitions

  1. retroactivity

Ancestry of “aisghníomhaíocht”, step by step

StepLanguageWordMeaning
1Irishais-re-, back
2Irisháisconvenience
3Old Irishaisback
4Proto-Celtic*axsi-—
5Proto-Celtic*axsilā—
6Proto-Indo-Europeanh₂eḱs-axis, axle
7Proto-Indo-Europeanh₂eǵ-to drive
Every word from Proto-Indo-European h₂eǵ- →Every word from Proto-Indo-European h₂eḱs- →Every word from Irish ais- →