Where does “sídach” come from?

sídach (Old Irish) comes from Old Irish -ach, from Proto-Celtic -ākos, from Proto-Indo-European -eh₂ḱos, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

sídach (Old Irish): of or belonging to a fairy; peaceful, peaceable,...

Definitions

  1. of or belonging to a fairy; peaceful, peaceable,...

Ancestry of “sídach”, step by step

StepLanguageWordMeaning
1Old Irish-achForms adjectives meaning "related to, having,...
2Proto-Celtic-ākosForms adjectives from nouns and adjectives with...
3Proto-Indo-European-eh₂ḱos—
4Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kos →Every word from Old Irish -ach →Every word from Proto-Celtic -ākos →