Where does “Alcyone” come from?

Alcyone (English) comes from Latin Alcyonē, from Ancient Greek Ἀλκυόνη, from Ancient Greek ἀλκυών — kingfisher, halcyon.

Ancestry of “Alcyone”, step by step

Step	Language	Word	Meaning
1	Latin	Alcyonē	—
2	Ancient Greek	Ἀλκυόνη	—
3	Ancient Greek	ἀλκυών	kingfisher, halcyon

Alcyone — Etymology, Origin & Word History | Etymology Explorer