3 ms·
> cursus publicus
Didn't the Byzantians speak Greek (rather than Latin)?
> cursus publicus
Didn't the Byzantians speak Greek (rather than Latin)?
They did, but the cursus publicus was inherited from the Western Empire. It's δημόσιος δρόμος in Greek.
Early on, the official language was still Latin. The population of Constantinople spoke Greek natively. Later on, Greek became common in official business as well.