gimp (n.1) Look up gimp at Dictionary.com
1925, "a crippled leg," also "a crippled person," perhaps by association with limp, or a corruption of gammy (see game (adj.)).
gimp (n.2) Look up gimp at Dictionary.com
also gymp, ornamental material for trimming dresses, furniture, etc., 1660s, from French guimpe, Old French guimple "wimple, headdress, veil," from a Germanic source (compare Old High German wimpal).