Where does “lišawka” come from?

lišawka (Upper Sorbian) comes from Upper Sorbian lišawa, from Proto-Slavic lišajь, from Proto-Slavic lixъ, from Proto-Indo-European leykʷ- — to leave.

Ancestry of “lišawka”, step by step

StepLanguageWordMeaning
1Upper Sorbianlišawalichen
2Proto-Slaviclišajьlichen
3Proto-Slaviclixъremaining, unnecessary, superfluous, bad
4Proto-Indo-Europeanleykʷ-to leave
Every word from Proto-Indo-European leykʷ- →Every word from Proto-Slavic lixъ →Every word from Proto-Slavic lišajь →