Where does “fás” come from?

fás (Irish) comes from Old Irish ásaid, from Old Irish áss, from Proto-Celtic exs, from Proto-Indo-European h₁eǵʰs — out.

fás (Irish): grow; verbal noun of fás; growing, growth

Definitions

  1. grow; verbal noun of fás; growing, growth

Ancestry of “fás”, step by step

fás traces back through two separate lines of ancestry.

via Old Irish ásaid

StepLanguageWordMeaning
1Old Irishásaidto grow; to increase; to arise, to develop
2Old Irishássgrowth; verbal noun of ásaid
3Proto-Celticexsout of; from
4Proto-Indo-Europeanh₁eǵʰsout

via Old Irish fás

StepLanguageWordMeaning
1Old Irishfásempty, void, vacant, deserted, uninhabited,...
2Proto-Celticwāstosempty
3Proto-Indo-Europeanh₁weh₂-to leave, abandon, give out

Words derived from “fás”

Every word from Proto-Indo-European h₁eǵʰs →Every word from Proto-Celtic exs →Every word from Old Irish áss →