Middle English word trial comes from Old French -al (Suffix used to form adjectives from nouns.), Old French trier

Detailed word origin of trial

Dictionary entry	Language	Definition
-al	Old French (fro)	Suffix used to form adjectives from nouns.
trier	Old French (fro)	(legal) to try (in court). To choose; to select. To find. To pull. To sort. To verify; to make sure of.
trial	Anglo-Norman (xno)
trial	Middle English (enm)

Words with the same origin as trial