Where does “leth” come from?

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

leth (Old Irish): half; direction; side

Definitions

  1. half; direction; side

Ancestry of “leth”, step by step

StepLanguageWordMeaning
1Proto-Celticletosside
2Old Czechlétosummer
3Proto-Slaviclětosummer; year
4Proto-Indo-Europeanleh₁tóm—

Words derived from “leth”

Every word from Proto-Indo-European leh₁tóm →Every word from Proto-Slavic lěto →Every word from Old Czech léto →