The story
From plainclothes + -person.
Etymology from Wiktionary, CC BY-SA 4.0.
plainclothesperson
Today it means: A police officer (especially a detective) of any gender who wears civilian clothes when on duty. Full definition →
Today it means: A police officer (especially a detective) of any gender who wears civilian clothes when on duty. Full definition →
From plainclothes + -person.
Etymology from Wiktionary, CC BY-SA 4.0.