The story
- Italian · borrowed frompentito“repentant”
- English todaypentito
Borrowed from Italian pentito (“repentant”).
First known use, by meaning
- from 20th c. A criminal who cooperates with police or government authorities and testifies against or provides harmful information on fellow criminals; a turncoat or informant, usually a former Mafioso.
Etymology from Wiktionary, CC BY-SA 4.0.