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Sleuthhound

//ˈsluːθˌhaʊnd// noun, slang

Noun

1
A working dog who tracks or pursues e.g. a wanted criminal; a bloodhound formerly used in Scotland.
"Sometimes he pursued the wily burn trout with relentless ferocity and the silent intentness of a sleuthhound. Often, however, he would pause and with his finger indicate some favourite stone to Winsome."
2
a breed of large powerful hound of European origin having very acute smell and used in tracking wordnet
3
A detective; a sleuth. informal
"And straightway the minions of the law led forth from their donjon keep one whom the sleuthhounds of justice had apprehended in consequence of information received."
4
a detective who follows a trail wordnet

From Middle English sluth hunde (and earlier as slodogge), from Old Norse slóð (“track”) + hound.

Unscramble this word: sleuthhound