Where does “dò” come from?

dò (Emilian) comes from Latin duae, from Latin duō, from Proto-Italic duō, from Proto-Indo-European dwóh₁ — two.

Ancestry of “dò”, step by step

StepLanguageWordMeaning
1Latinduaenominative feminine plural of duo
2Latinduōtwo; 2
3Proto-Italicduōtwo
4Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Italic duō →Every word from Latin duō →
dò — Etymology, Origin & Word History | Etymology Explorer