English word coenact comes from English enact, English co-

Detailed word origin of coenact

Dictionary entry	Language	Definition
enact	English (eng)	(obsolete) purpose; determination (transitive) to act the part of; to play. (transitive) to do; to effect. (transitive, legal) to make (a bill) into law.
co-	English (eng)	(mathematics) of the opposite, of the counterpart; dual. Partner or subordinate in an activity. To the same degree. Together; mutually; jointly.
coenact	English (eng)	(transitive) To enact jointly with somebody else.

Words with the same origin as coenact