decalcomania
noun
de·cal·co·ma·nia di-ˌkal-kə-ˈmā-nē-ə 
1
: the art or process of transferring pictures and designs from specially prepared paper (as to glass)
2
: decal
Example Sentences
Recent Examples on the Web To bring her surrealist works to life, British artist Ithell Colquhoun employed techniques ranging from fumage to decalcomania, entopic graphomania and parsemage. 
Meilan Solly, Smithsonian, 17 July 2019
Meilan Solly, Smithsonian, 17 July 2019 Word History
Etymology
French décalcomanie, from décalquer to copy by tracing (from dé- de- + calquer to trace, from Italian calcare, literally, to tread, from Latin) + manie mania, from Late Latin mania — more at caulk
First Known Use
1864, in the meaning defined at sense 1