Where does “ard-laa” come from?

ard-laa (Manx) comes from Manx laa, 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.

ard-laa (Manx): festival; heyday

Definitions

  1. festival; heyday

Ancestry of “ard-laa”, step by step

ard-laa traces back through two separate lines of ancestry.

via Manx laa

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

via Manx ard

StepLanguageWordMeaning
1Manxardhigh; tall; height, high place
2Old Irishardhigh; height
3Proto-Celticardwoshigh
4Proto-Indo-Europeanh₃erdʰwós
5Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
6Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European leh₁tómEvery word from Proto-Slavic lětoEvery word from Old Czech léto