Where does “Eritreeër” come from?

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

Eritreeër (Dutch): Eritrean person from Eritrea or of Eritrean descent

Definitions

Eritrean person from Eritrea or of Eritrean descent

Ancestry of “Eritreeër”, step by step

Eritreeër traces back through two separate lines of ancestry.

via Dutch Eritrea

Step	Language	Word	Meaning
1	Dutch	Eritrea	—
2	Italian	Eritrea	—
3	Latin	Erythraea	the territory of Erythrae, Beotia
4	Ancient Greek	Ἐρυθραία	Erythraea or Eritrea
5	Ancient Greek	Ἐρυθραῖος	—
6	Ancient Greek	Ἐρυθραί	Erythrae; Ildırı, Turkey
7	Ancient Greek	ἐρυθρός	reddish, red
8	Proto-Hellenic	*erutʰrós	—

via Dutch er

Step	Language	Word	Meaning
1	Dutch	er	there; him, her, it, them; of them, of those
2	Old Dutch	iro	—

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