Etymology
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scrutiny (n.)

early 15c., "the formal enumerating of the votes in an election to an office or dignity" (according to OED, "Now chiefly in Canon Law"), from Late Latin scrutinium "a search, inquiry" (in Medieval Latin, "a mode of election by ballot"), from Latin scrutari "to examine, investigate, search" (from PIE root *skreu- "to cut; cutting tool;" see shred (n.)). The meaning "close investigation or examination" is recorded from c. 1600.

Perhaps the original notion of the Latin word is "to search among rubbish," via scruta (plural) "trash, rags, rubbish" ("shreds"); or the original sense might be "to cut into, scratch."

updated on March 05, 2022

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