Where does “ais-” come from?

ais- (Irish) comes 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.

ais- (Irish): re-, back

Definitions

  1. re-, back

Ancestry of “ais-”, step by step

StepLanguageWordMeaning
1Irisháisconvenience
2Old Irishaisback
3Proto-Celtic*axsi-—
4Proto-Celtic*axsilā—
5Proto-Indo-Europeanh₂eḱs-axis, axle
6Proto-Indo-Europeanh₂eǵ-to drive

Words derived from “ais-”

Every word from Proto-Indo-European h₂eǵ- →Every word from Proto-Indo-European h₂eḱs- →Every word from Proto-Celtic *axsilā →