English word arrhythmogenicity comes from English arrhythmogenic ((cardiology, pharmacology) Tending to cause arrhythmia.)

Detailed word origin of arrhythmogenicity

Dictionary entry	Language	Definition
arrhythmogenic	English (eng)	(cardiology, pharmacology) Tending to cause arrhythmia.
arrhythmogenicity	English (eng)	(pathology) The condition of being arrhythmogenic.