Where does “feithideolaí” come from?

feithideolaí (Irish) comes from Irish eolaí, from Irish -aí, from Old Irish -ide, from Old Irish -de — Used to form adjectives from nouns, denoting...

feithideolaí (Irish): entomologist

Definitions

  1. entomologist

Ancestry of “feithideolaí”, step by step

feithideolaí traces back through two separate lines of ancestry.

via Irish eolaí

StepLanguageWordMeaning
1Irisheolaíscientist; -logist; guide, guidebook; directory
2Irish-aíEnding of the plural of certain nouns; Agent...
3Old Irish-ide
4Old Irish-deUsed to form adjectives from nouns, denoting...

via Irish feithid

StepLanguageWordMeaning
1Irishfeithidwild creature, beast; repulsive creature, adder,...
2Middle Irishfeithidto observe, watch over, wait
Every word from Old Irish -deEvery word from Irish -aíEvery word from Irish eolaí