The story
From (tri)fl(uoro)e(thoxy) + -cain- + (am)ide.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: An antiarrhythmic drug administered in the form of its acetate C₁₇H₂₀F₆N₂O₃·C₂H₄O₂ especially to treat serious ventricular arrhythmias. Full definition →
From (tri)fl(uoro)e(thoxy) + -cain- + (am)ide.
Etymology from Wiktionary, CC BY-SA 4.0.