Early 19th century; earliest use found in William Taylor (1765–1836), reviewer and translator. From ancient Greek ϕελλός cork (of uncertain origin) + plastic.
Definition of phelloplastic in US English:
phelloplastic
nounˌfɛlə(ʊ)ˈplastɪk
rare
A cork model or figure.
Origin
Early 19th century; earliest use found in William Taylor (1765–1836), reviewer and translator. From ancient Greek ϕελλός cork (of uncertain origin) + plastic.