Where does “mum” come from?

mum (Late Latin) comes from Latin meum, from Latin meus, from Proto-Italic meos — my.

Ancestry of “mum”, step by step

StepLanguageWordMeaning
1Latinmeuman umbelliferous plant, "Meum athamanticum";...
2Latinmeusmy, mine
3Proto-Italicmeosmy
Every word from Proto-Italic meos →Every word from Latin meus →Every word from Latin meum →