Where does “sleuth” come from?

Sleuth comes from Middle English sleuth, derived from Old English slēuth, ultimately tracing to Proto-Indo-European ḱwṓ meaning dog or hunting animal.

sleuth (English): A detective; A sleuth-hound; a bloodhound; An...

Definitions

  1. A detective; A sleuth-hound; a bloodhound; An...

Ancestry of “sleuth”, step by step

sleuth traces back through two separate lines of ancestry.

via English sleuthhound

StepLanguageWordMeaning
1EnglishsleuthhoundA working dog who tracks or pursues e.g. a wanted...
2Middle Englishsluth hunde—
3Old Norseslóðtrail, track
4Proto-Germanicslōdō—

via Old English slǣwþ

StepLanguageWordMeaning
1Old Englishslǣwþsloth, indolence, laziness, inertness, torpor
2Proto-Germanicslaiwiþōslowness, lateness

Words derived from “sleuth”

Every word from Proto-Germanic slōdō →Every word from Old Norse slóð →Every word from Middle English sluth hunde →