Where does “Пуров” come from?

Пуров (Bulgarian) comes from Romanian pur, from Latin porrum, from Proto-Indo-European pr̥so- — leek.

Ancestry of “Пуров”, step by step

StepLanguageWordMeaning
1Romanianpurpure, clean, clear; mere; sand leek
2Latinporrumleek; chives
3Proto-Indo-Europeanpr̥so-leek
Every word from Proto-Indo-European pr̥so- →Every word from Latin porrum →Every word from Romanian pur →