Where does “silhouetter” come from?

silhouetter (French) comes from French Silhouette, from Basque Ziloeta, from Basque zulo, from Proto-Basque *zuLo.

silhouetter (French): to silhouette, outline

Definitions

Step	Language	Word	Meaning
1	French	Silhouette	—
2	Basque	Ziloeta	—
3	Basque	zulo	hole; pit; den, hiding place
4	Proto-Basque	*zuLo	—

silhouetter — Etymology, Origin & Word History | Etymology Explorer