Where does “lethera” come from?

lethera (English) comes from Proto-Brythonic seiθ, from Proto-Celtic sextam, from Proto-Indo-European septḿ̥ — seven.

lethera (English): seven in Cumbrian sheep counting

Definitions

  1. seven in Cumbrian sheep counting

Ancestry of “lethera”, step by step

StepLanguageWordMeaning
1Proto-Brythonicseiθseven
2Proto-Celticsextamseven
3Proto-Indo-Europeanseptḿ̥seven
Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Celtic sextam →Every word from Proto-Brythonic seiθ →