The name Wenni has no documented meaning in the sources checked.
Gentle
Cute
Gold, Brown, Black, Cream
Any Size
Girl
English
W
5 Letters
Wendy, Winni, Wynn
Feminine form of Adil, formed from the root ʿādil
Russian, Ukrainian, Bosnian, Finnish and Georgian form of Alice
Feminine form of Alvin, from Old English Ælfwine, "elf friend"