frogging
v.β Β«Experienced knitters, they will go to a thrift store and look for a sweater that is past its prime and unravel the yarn to make something new. The practice is known as βfrogging,β from the words βrip it, rip it.”Β» ββThe God Who Knits” by Lori Erickson Beliefnet.com Feb. 14 , 2006. (source: Double-Tongued Dictionary)