Where does “ŵaSena” come from?

ŵaSena (Tumbuka) comes from Tumbuka ŵa-, from Tumbuka u-, from Proto-Bantu ʊ̀- — 2nd person singular subject concord.

Ancestry of “ŵaSena”, step by step

StepLanguageWordMeaning
1Tumbukaŵa-Class 2 noun prefix
2Tumbukau-2nd person singular subject concord. Translates as thou or you (singular or informal)
3Proto-Bantuʊ̀-2nd person singular subject concord
Every word from Proto-Bantu ʊ̀- →Every word from Tumbuka ŵa- →Every word from Tumbuka u- →