Where does “Erythraea” come from?

Erythraea (Latin) comes from Ancient Greek Ἐρυθραία, from Ancient Greek Ἐρυθραῖος, from Ancient Greek Ἐρυθραί, from Ancient Greek ἐρυθρός, from Proto-Hellenic *erutʰrós.

Erythraea (Latin): the territory of Erythrae, Beotia

Definitions

the territory of Erythrae, Beotia

Ancestry of “Erythraea”, step by step

Erythraea traces back through two separate lines of ancestry.

via Ancient Greek Ἐρυθραία

Step	Language	Word	Meaning
1	Ancient Greek	Ἐρυθραία	Erythraea or Eritrea
2	Ancient Greek	Ἐρυθραῖος	—
3	Ancient Greek	Ἐρυθραί	Erythrae; Ildırı, Turkey
4	Ancient Greek	ἐρυθρός	reddish, red
5	Proto-Hellenic	*erutʰrós	—

via Ancient Greek Ἐρῠθραίᾱ

Step	Language	Word	Meaning
1	Ancient Greek	Ἐρῠθραίᾱ	Erythraea, the land of Erythrae

Words derived from “Erythraea”

Every word from Proto-Hellenic *erutʰrós →Every word from Ancient Greek ἐρυθρός →Every word from Ancient Greek Ἐρυθραί →