Where does “Plopeanu” come from?

Plopeanu (Romanian) comes from Romanian Plopi, from Romanian plop, from Vulgar Latin ploppus, from Latin pōpulus, from Proto-Italic poplos — army.

Ancestry of “Plopeanu”, step by step

StepLanguageWordMeaning
1RomanianPlopi—
2Romanianploppoplar
3Vulgar Latinploppuspoplar tree
4Latinpōpulusa people, nation
5Proto-Italicpoplosarmy
Every word from Proto-Italic poplos →Every word from Latin pōpulus →Every word from Vulgar Latin ploppus →