Do you know ghouls from goblins and ghosts?
early 15c., "mathematical quantity obtained by multiplication," from Medieval Latin productum, in classical Latin "something produced," noun use of neuter past participle of producere "bring forth" (see produce (v.)). General sense of "anything produced" is attested in English from 1570s.
product prod·uct (prŏd'əkt)
Something produced by human or mechanical effort or by a natural process.
A substance resulting from a chemical reaction.