Where does “Arcádia” come from?

Arcádia (Portuguese) comes from Latin Arcadia, from Ancient Greek Ἀρκαδία, from Ancient Greek Ἀρκάς, from Mycenaean Greek 𐀀𐀏.

Ancestry of “Arcádia”, step by step

StepLanguageWordMeaning
1LatinArcadiaArcadia
2Ancient GreekἈρκαδίαArcadia
3Ancient GreekἈρκάςan inhabitant of Arcadia; an Arcadian
4Mycenaean Greek𐀀𐀏—
Every word from Mycenaean Greek 𐀀𐀏 →Every word from Ancient Greek Ἀρκάς →Every word from Ancient Greek Ἀρκαδία →