noun, noun which may take the genitive case particle 'no'
first generation; founder; inaugural
Refers to the first holder of a title, the first model of a product, or the founding figure of an organization. Often used attributively with の.
彼はこの会社の初代社長です。
He is the first president of this company.
初代のiPhoneは2007年に発売された。
The first-generation iPhone was released in 2007.
Compound of 初 (sho, 'first') and 代 (dai, 'generation' or 'era').