Where does “loiscid” come from?

loiscid (Old Irish) comes from Old Irish loscaid, from Proto-Celtic *lasketi, from Proto-Indo-European lh₂p-sḱéti, from Proto-Indo-European leh₂p- — to shine; to light, shine; glow.

Ancestry of “loiscid”, step by step

StepLanguageWordMeaning
1Old Irishloscaidto burn
2Proto-Celtic*lasketito burn
3Proto-Indo-Europeanlh₂p-sḱéti
4Proto-Indo-Europeanleh₂p-to shine; to light, shine; glow
Every word from Proto-Indo-European leh₂p-Every word from Proto-Indo-European lh₂p-sḱétiEvery word from Proto-Celtic *lasketi