Old English origin
Source-reportedMeaning: “bright-lock”
Supposedly from an Old English scir-locc (“bright-lock”). One of a group of surnames originally denoting hair colour, parallel to Blacklock, Harlock (Old English har (“grey”)), Silverlock. In the sense of “a detective”, from Sherlock Holmes. In the computing verb sense, refers to the software Sherlock, which in 2002 came to replicate some of the features of an earlier complementary program called Watson.
Sources for this account (3)
- Wiktionary: SherlockCC-BY-SA-4.0 · retrieved 2026-10-15
- French Wiktionary: SherlockCC-BY-SA-4.0 · retrieved 2026-10-14
- Polish Wiktionary: SherlockCC-BY-SA-4.0 · retrieved 2026-10-14

