Where does “dBm” come from?

dBm (Translingual) comes from Swahili mw-, from Proto-Bantu mʊ̀- — 2nd person plural subject concord; Class 1 noun...

Ancestry of “dBm”, step by step

StepLanguageWordMeaning
1Swahilimw-Alternative form of m-; Alternative form of mu-
2Proto-Bantumʊ̀-2nd person plural subject concord; Class 1 noun...
Every word from Proto-Bantu mʊ̀- →Every word from Swahili mw- →