The story
From Ancient Greek κᾰλλίκρεᾰς (kăllíkreăs, “sweetbread, pancreas”) + -in, from κᾰλλι- (kălli-, “beautiful”) + κρέᾰς (kréăs, “flesh, meat”).
Etymology from Wiktionary, CC BY-SA 4.0.
kallikrein
Today it means: A hypotensive protease that liberates kinins from blood plasma proteins and is used therapeutically for vasodilation. Full definition →