For instance:
Veneti (Gaul) - Wikipedia (https://en.wikipedia.org/wiki/Veneti_(Gaul))
Vistula Veneti - Wikipedia (https://en.wikipedia.org/wiki/Vistula_Veneti)
Adriatic Veneti - Wikipedia (https://en.wikipedia.org/wiki/Adriatic_Veneti)
Vends (Livonia) - Wikipedia (https://en.wikipedia.org/wiki/Vends_(Livonia))
Vandals - Wikipedia (https://en.wikipedia.org/wiki/Vandals)
Vyatichi - Wikipedia (https://en.wikipedia.org/wiki/Vyatichi) (< Proto-Slavic Ventichi), the Finnish name for Russia is still Venäjä – Wikipedia (https://fi.wikipedia.org/wiki/Ven%C3%A4j%C3%A4), and similar names in Karelian and Veps languages.
Vindelici - Wikipedia (https://en.wikipedia.org/wiki/Vindelici)
Eneti - Wikipedia (https://en.wikipedia.org/wiki/Eneti)
The word most likely comes from a PIE root meaning “braided ones” or another root meaning “love”.