expression, noun which may take the genitive case particle 'no'
in her own way; peculiar to her
Used to describe something that is characteristic of her, or done in a manner typical of her. Often implies a unique, sometimes quirky, personal style. The phrase is a set expression combining 彼女 (she) with the suffix なり (in one's own way).
See also: なり
She solved the problem in her own way.
That painting has a beauty peculiar to her.