We must necessarily consider that any Italian word derived from Etruscan, must have done so by way of Latin, even though it is uncertain whether those Latin words did really derive from Etruscan. Here are some words I found in standard etymological dictionaries of the Latin language which are supposed to have come from Etruscan. (vd. bibliography): ...


According to this page: http://www.lindaliguori.it/samurai-lo-stuzzicadenti/ the name "Samurai" was chosen in 1965 by the manifacturers after their meeting with a japanese exporter of timber. I am not sure, but I think that the other names just tried to follow its wave of success, so your guess about the "imitation of a leading brand" seems IMO correct.

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