ju·ven·ilia
noun/ˌdʒuːvəˈnɪliə/
/ˌdʒuːvəˈnɪliə/
[plural] (formal)- writing, poetry, works of art, etc. produced by a writer or an artist when he/she was still young
（统称某作家或艺术家的）少年时代作品 Word Originearly 17th cent.: from Latin, neuter plural of juvenilis, from juvenis ‘young, a young person’.