noun
green screen (for chroma keying)
Wasei-eigo derived from English 'green back'. Used in film/video production for the physical green backdrop used in chroma key compositing.
wasei-eigo (Japanese-coined English), from green back
撮影スタジオには大きなグリーンバックが設置されていた。
A large green screen was set up in the filming studio.
noun
greenback;
Direct loan from English 'greenback', referring to US paper currency. Less common than the chroma key sense in Japanese.
彼はポケットから何枚かのグリーンバックを取り出した。
He took out a few greenbacks from his pocket.