Where does “cwaata” come from?

cwaata (Kadiweu) comes from Portuguese quarta-feira, from Old Portuguese quarta feira, from Latin feria quarta — Wednesday.

Ancestry of “cwaata”, step by step

StepLanguageWordMeaning
1Portuguesequarta-feiraWednesday
2Old Portuguesequarta feiraWednesday
3Latinferia quartaWednesday
Every word from Latin feria quarta →Every word from Old Portuguese quarta feira →Every word from Portuguese quarta-feira →