Where does “sanguinarily” come from?
sanguinarily (English) comes from English sanguinary, from Middle English sanguinarie, from Latin sanguinarius, from Latin sanguīs, from Proto-Italic *sangwens, from Proto-Indo-European h₁sh₂-én-, from Proto-Indo-European h₁ésh₂r̥ — blood.
sanguinarily (English): In a sanguinary manner
Ancestry of “sanguinarily”, step by step