Where does “Sanger” come from?

Sanger comes from Old English sangere, from Proto-Germanic sangwārijaz, meaning "one who sings."

Ancestry of “Sanger”, step by step

Step	Language	Word	Meaning
1	Romanian	sânger	Common dogwood , a tall bush with reddish...
2	Latin	sanguineus	of blood, bloody; bloodthirsty; blood-coloured
3	Latin	sanguīs	—
4	Proto-Italic	*sangwens	—
5	Proto-Indo-European	h₁sh₂-én-	—
6	Proto-Indo-European	h₁ésh₂r̥	blood

Sanger — Etymology, Origin & Word History | Etymology Explorer