G20447–ἐπίστασις–epistasis

and neither in the temple did they find me reasoning with any one, or making a dissension of the multitude, nor in the synagogues, nor in the city;

ἐπίστασιν epistasin “obstruction”

apart from the things without -- the crowding upon me that is daily -- the care of all the assemblies.

ἐπίστασίς epistasis “stoppage”