Where does “Banshee” come from?

Banshee (German) comes from English banshee, from Irish bean sí, from Old Irish ben síde, from Old Irish ben, from Proto-Celtic benā, from Proto-Indo-European gʷḗn, from Proto-Indo-European gʷen- — woman.

Banshee (German): banshee (in Irish folklore, a female spirit)

Definitions

banshee (in Irish folklore, a female spirit)

Ancestry of “Banshee”, step by step

Step	Language	Word	Meaning
1	English	banshee	A female spirit, usually taking the form of a...
2	Irish	bean sí	banshee, fairy woman
3	Old Irish	ben síde	banshee, fairy woman
4	Old Irish	ben	woman; wife; third-person singular present...
5	Proto-Celtic	benā	woman
6	Proto-Indo-European	gʷḗn	woman
7	Proto-Indo-European	gʷen-	woman

Every word from Proto-Indo-European gʷen- →Every word from Proto-Indo-European gʷḗn →Every word from Proto-Celtic benā →