子飼い

プログレッシブ和英中辞典(第4版)

こがい【子飼い】

子飼いにする
raise [rear] from an early age

子飼いの熊
a bear raised (by a man) since it was a cub

子飼いの番頭
a head clerk brought up in his master's house

子飼いの運動選手
an athlete trained (by a coach) since he was a child

出典　小学館「プログレッシブ和英中辞典(第4版)」