Where does “persus” come from?
persus (Medieval Latin) comes from Latin Persicus, from Ancient Greek περσικός, from Ancient Greek Πέρσης, from Old Persian 𐎱𐎠𐎼𐎿, from Proto-Iranian párcuš, from Proto-Indo-Iranian párćuš, from Proto-Indo-European pérḱus — chest; rib.
persus (Medieval Latin): Persian
Ancestry of “persus”, step by step
Words derived from “persus”