noun
benefiting from the influence of a master or parent; reflected glory
Often used in the set phrase 親の七光 (oya no nanahikari), meaning a child's success or advantage gained through a parent's fame or power. Can also apply to a master-disciple relationship.
彼の出世は親の七光だと言われている。
His success is said to be thanks to his parents' influence.
あの俳優は親の七
That actor debuted thanks to his parents' fame.