Where does “radharceolaíocht” come from?

radharceolaíocht (Irish) comes from Irish eolaíocht, from Irish -acht, from Old Irish -acht, from Proto-Celtic -axtā, from Proto-Celtic axtā.

radharceolaíocht (Irish): optics

Definitions

  1. optics

Ancestry of “radharceolaíocht”, step by step

radharceolaíocht traces back through two separate lines of ancestry.

via Irish eolaíocht

StepLanguageWordMeaning
1Irisheolaíochtscience; -logy
2Irish-achtNominal suffix, used to form abstract ideas or...
3Old Irish-acht-ness, -hood; forms abstract nouns
4Proto-Celtic-axtā—
5Proto-Celticaxtā—

via Irish radharc

StepLanguageWordMeaning
1Irishradharcsight
2Old Irishrodarc—
Every word from Proto-Celtic axtā →Every word from Irish -acht →Every word from Irish eolaíocht →