Bad Etymology

Advert, n. from mediaeval Latin ad, towards, and Norman French vert, green: hence something aimed at the naïve and trusting, and later an instance of self-proclaimed environmental virtue among thieves.

Number, n. from numb and -er, that which dulls or makes apathetic; possibly an allusion to the emotional consequences of mathematics and/or the moral and ethical consequences of crowding, popular opinion, majority rule, etc.