Where does “vrabelj” come from?

vrabelj (Slovene) comes from Proto-Slavic vorbьľь, from Proto-Slavic vorbь — sparrow.

Ancestry of “vrabelj”, step by step

StepLanguageWordMeaning
1Proto-SlavicvorbьľьAlternative form of *vorbь; sparrow
2Proto-Slavicvorbьsparrow
Every word from Proto-Slavic vorbь →Every word from Proto-Slavic vorbьľь →