Where does “léas” come from?

léas (Irish) comes from Middle Irish léas, from Old French laisier, from Old High German lāzan, from Proto-West Germanic lātan, from Proto-Germanic lētaną, from Proto-Indo-European leh₁d- — to be tired.

léas (Irish): ray of light; light, radiance; beam, streak of light; gleam, glimmer

Definitions

  1. ray of light; light, radiance; beam, streak of light; gleam, glimmer

Ancestry of “léas”, step by step

léas traces back through two separate lines of ancestry.

via Middle Irish léas

StepLanguageWordMeaning
1Middle Irishléas
2Old FrenchlaisierAlternative form of laissier; to let, let go,...
3Old High Germanlāzanto let, let go, leave; to let, let go, release
4Proto-West Germaniclātanto let, to allow; to leave alone
5Proto-Germaniclētanąto let, to allow; to leave alone
6Proto-Indo-Europeanleh₁d-to be tired

via Old Irish less

StepLanguageWordMeaning
1Old Irishlessbenefit, profit
2Proto-Celtic*lexstusbenefit, advantage
3Proto-Indo-Europeanh₂lek-to protect

Words derived from “léas

Every word from Proto-Indo-European leh₁d-Every word from Proto-Germanic lētanąEvery word from Proto-West Germanic lātan