expression, adverb taking the 'to' particle
bringing up like a princess; doting on one's daughter
Used to describe parents who raise their daughter with excessive care and affection, often sheltering her. Typically followed by 育てる or similar verbs, and often takes the と particle.
彼女は蝶よ花よと育てられた。
She was brought up like a princess.
一人娘を蝶よ花よと可愛がっている。
They dote on their only daughter, treating her like a princess.