Where does “leserka” come from?

leserka (Polish) comes from Polish leser, from German lässig, from German Lass, from German lassen, from Middle High German lāzen, from Old High German lāzan, from Proto-West Germanic lātan, from Proto-Germanic lētaną — to be tired.

Ancestry of “leserka”, step by step

StepLanguageWordMeaning
1Polishleseridler, layabout, wastrel
2Germanlässigcasual, nonchalant, laid-back, easy-going
3GermanLass—
4Germanlassento allow; to permit; to let
5Middle High Germanlāzen—
6Old High Germanlāzanto let, let go, leave; to let, let go, release
7Proto-West Germaniclātanto let, to allow; to leave alone
8Proto-Germaniclētanąto let, to allow; to leave alone
9Proto-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 →