Where does “læten” come from?

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

Ancestry of “læten”, step by step

StepLanguageWordMeaning
1Old Englishlǣtanto let; leave; to let go, leave; to allow, let...
2Proto-West Germaniclātanto let, to allow; to leave alone
3Proto-Germaniclētanąto let, to allow; to leave alone
4Proto-Indo-Europeanleh₁d-to be tired
Every word from Proto-Indo-European leh₁d- →Every word from Proto-Germanic lētaną →Every word from Proto-West Germanic lātan →