Where does “eiteach” come from?

eiteach (Irish) comes from Old Irish ettech, from Old Irish ette, from Proto-Celtic ɸettiyā, from Proto-Celtic ɸeteti, from Proto-Indo-European péth₂eti, from Proto-Indo-European peth₂- — to spread out; to fly.

eiteach (Irish): winged bird, insect, etc.; pennate, plumed, feathered

Definitions

  1. winged bird, insect, etc.; pennate, plumed, feathered

Ancestry of “eiteach”, step by step

eiteach traces back through two separate lines of ancestry.

via Old Irish ettech

StepLanguageWordMeaning
1Old Irishettech—
2Old Irishettewing, pinion; fin; feather, plume
3Proto-Celticɸettiyā—
4Proto-Celticɸetetito fly
5Proto-Indo-Europeanpéth₂etito fly
6Proto-Indo-Europeanpeth₂-to spread out; to fly

via Middle Irish eitech

StepLanguageWordMeaning
1Middle Irisheitechrefusal, refusing
2Old Irishas·toingto refuse; refuses
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂eti →Every word from Proto-Celtic ɸeteti →