forger n.

late 14c., "a smithy," from Old French forge "forge, smithy" (12c.), earlier faverge, from Latin fabrica "workshop, smith's shop," hence also "a trade, an industry;" also "a skillful production, a crafty device," from faber (genitive fabri) "workman in hard materials, smith" (see fabric). As the heating apparatus itself (a furnace fitted with a bellows), from late 15c. Forge-water (1725), in which heated iron has been dipped, was used popularly as a medicine in 18c.