Origin of ecclesiasticEcclesiastical Late Latin ecclesiasticus from Classical Greek ekkl?siastikos: see ecclesia
Origin of ecclesiasticLate Latin ecclēsiasticus from Greek ekklēsiastikos from ekklēsiastēs a member of the ecclesia ; see Ecclesiastes .
(comparative more ecclesiastic, superlative most ecclesiastic)
Ecclesiastical is more commonly used.
From Middle French ecclésiastique, from Late Latin ecclesiasticus (“of the church”)