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common–law

common–law /ˈkɑːmənˌlɑː/ adjective
common–law
/ˈkɑːmənˌlɑː/
adjective
Britannica Dictionary definition of COMMON–LAW
always used before a noun
used to describe a relationship between a man and a woman that is considered to be a marriage because the man and woman have lived together for a long period of time