出典:Wiktionary
出典:『Wiktionary』 (2009/01/05 20:34 UTC 版)
出典:『Wiktionary』 (2026/04/21 02:55 UTC 版)
From private investigator and its abbreviation PI, through the homophonic term eye in place of "I", and the use of "eye" as a reference to surveillance.
private eye (plural private eyes)
![]()