- cutlass (n.)
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- 1590s, from Middle French coutelas (16c.), probably from Italian coltellaccio "large knife" (with augmentative suffix -accio), from coltello "knife," from Latin cultellus "small knife," diminutive of culter "knife, plowshare," from PIE *kel-tro-, from root *(s)kel- "to cut" (see scale (n.1)).