Where does “lá féile” come from?

lá féile (Irish) comes from Irish lá, from Old Irish lá, from Proto-Celtic let-, from Proto-Celtic letos, from Old Czech léto, from Proto-Slavic lěto, from Proto-Indo-European leh₁tóm.

lá féile (Irish): feast day, holy day

Definitions

  1. feast day, holy day

Ancestry of “lá féile”, step by step

lá féile traces back through two separate lines of ancestry.

via Irish lá

StepLanguageWordMeaning
1Irishláday
2Old Irishláday, daylight
3Proto-Celticlet-—
4Proto-Celticletosside
5Old Czechlétosummer
6Proto-Slaviclětosummer; year
7Proto-Indo-Europeanleh₁tóm—

via Irish féile

StepLanguageWordMeaning
1Irishféilefeast, feast day; festival; hospitality
2Old Irishféilemodesty, generosity; genitive singular of féil
3Proto-Celtic*weiliyāmodesty
4Proto-Celtic*weilosmodest
5Proto-Indo-Europeanwéy-—
6Proto-Indo-Europeanéǵh₂I
Every word from Proto-Indo-European leh₁tóm →Every word from Proto-Slavic lěto →Every word from Old Czech léto →