восьмилетний

Прил. 1) (о сроке) of eight years; eight-year 2) (о возрасте) of eight (years), eight-year-old

1. (о сроке) eight-year attr. ; of eight years после сущ. ; 2. (о возрасте) eight-year-old; of eight после сущ. ; ~ ребёнок child* of eight.