Where does “deasghnáth” come from?

deasghnáth (Irish) comes from Irish deas, from Old Irish dess, from Proto-Celtic dexswos, from Proto-Indo-European deḱswo-, from Proto-Indo-European deḱs- — right.

deasghnáth (Irish): rite, ceremony, ritual, formality

Definitions

  1. rite, ceremony, ritual, formality

Ancestry of “deasghnáth”, step by step

deasghnáth traces back through two separate lines of ancestry.

via Irish deas

StepLanguageWordMeaning
1Irishdeassouth, southerly, to the south; right,...
2Old Irishdessright; south
3Proto-Celticdexswosright; south
4Proto-Indo-Europeandeḱswo-
5Proto-Indo-Europeandeḱs-right

via Irish gnáth

StepLanguageWordMeaning
1Irishgnáthcustom, usage; customary thing; frequentation
2Old Irishgnáthcustomary; usual; intimates, familiar friends
3Proto-Celticgnātosknown, recognised
4Proto-Indo-Europeanǵneh₃-to know
Every word from Proto-Indo-European deḱs-Every word from Proto-Indo-European deḱswo-Every word from Proto-Celtic dexswos