Where does “letteth” come from?

letteth (English) comes from English let, from Middle English leten, from Old English lǣtan, from Proto-West Germanic lātan, from Proto-Germanic lētaną, from Proto-Indo-European leh₁d- — to be tired.

letteth (English): third-person singular simple present indicative...

Definitions

  1. third-person singular simple present indicative...

Ancestry of “letteth”, step by step

StepLanguageWordMeaning
1EnglishletTo allow to, not to prevent; To leave; To allow...
2Middle Englishletento let
3Old Englishlǣtanto let; leave; to let go, leave; to allow, let...
4Proto-West Germaniclātanto let, to allow; to leave alone
5Proto-Germaniclētanąto let, to allow; to leave alone
6Proto-Indo-Europeanleh₁d-to be tired
Every word from Proto-Indo-European leh₁d-