colophony
noun
co·lo·pho·ny kə-ˈlä-fə-nē 
ˈkä-lə-ˌfō-
ˈkä-lə-ˌfō- plural colophonies
: rosin
Example Sentences
Recent Examples on the Web The chains look metallic but are made of polyurethane colophony (rosin) and iron powder, and the threads are silk — spun by silkworms that the artist guided to do his bidding. 
Scarlet Cheng, Los Angeles Times, 12 Aug. 2019
Scarlet Cheng, Los Angeles Times, 12 Aug. 2019 Word History
Etymology
Middle English colophonie, ultimately from Greek Kolophōn Colophon, an Ionian city
First Known Use
14th century, in the meaning defined above
Medical Definition
colophony
noun
co·lo·pho·ny kə-ˈläf-ə-nē ˈkäl-ə-ˌfō-
ˈkäl-ə-ˌfō- plural colophonies
: rosin