Where does “Вегенов” come from?

Вегенов (Bulgarian) comes from Romanian veghea, from Vulgar Latin viglare, from Latin vigilō, from Latin vigil, from Proto-Indo-European weǵ- — lively, awake; strong.

Ancestry of “Вегенов”, step by step

Step	Language	Word	Meaning
1	Romanian	veghea	to watch, to monitor, be on the lookout, keep...
2	Vulgar Latin	viglare	—
3	Latin	vigilō	to watch through, spend in watching, do or make while watching
4	Latin	vigil	awake, watching, alert; watchman, guard,...
5	Proto-Indo-European	weǵ-	lively, awake; strong

Every word from Proto-Indo-European weǵ- →Every word from Latin vigil →Every word from Latin vigilō →