If in a language a property is expressed alternatively by a noun and an adjective and there is an associated difference between temporary versus permanent property, it is the noun which will express permanent property and the adjective which will express temporary property.
Standardized
IF a property is expressed alternatively by a noun and an adjective and there is an associated difference between temporary versus permanent property, THEN it is the noun which will express permanent property and the adjective which will express temporary property.
See a lot of work on “time stability” as underlying word-class distinction, from Aristotle to Givón, Pustet, Wetzer, Stassen.