Feminine form of Walter, from Germanic elements meaning 'ruler of the army.'
Walterene is a feminine form of Walter, from Germanic elements meaning ruler of the army. That background gives the name a strong and rather martial dignity, even though the feminine ending softens the overall effect.
The name feels vintage, formal, and surname-adjacent. It has the kind of old-style inventiveness that turns a traditional masculine name into a more elaborate feminine form. In modern use, Walterene reads as rare, stately, and grounded in Germanic naming heritage.