πλῆκτρον, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus
Greek "πλῆκτρον" comes from the verb "πλήττω" or "πλήσσω" (plēssō), "to hit, to strike, to smite, to sting". πλήσσω, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus