Where does “graao” come from?

graao (Old Portuguese) comes from Latin gradus, from Proto-Italic graðus, from Proto-Indo-European gʰradʰ-.

Ancestry of “graao”, step by step

StepLanguageWordMeaning
1Latingradusa step, pace; a stage, degree; a rank
2Proto-Italicgraðus—
3Proto-Indo-Europeangʰradʰ-—
Every word from Proto-Indo-European gʰradʰ- →Every word from Proto-Italic graðus →Every word from Latin gradus →
graao — Etymology, Origin & Word History | Etymology Explorer