incessancy
/ɪsˈɛsənsi/Definitions
1. noun
The state of being ceaseless or uninterrupted; a continuous or unbroken condition
“The doctor noted the patient’s incessancy of coughing as a potential sign of a serious illness.”
2. noun
The quality of being unending or endless
“The artist’s incessancy of creativity is what sets him apart from his peers.”