This is the 5229th most frequent Japanese word.
頂い
"頂い" is the stem form of "頂く" (itadaku), meaning "to receive" or "to take" humbly.
In this sentence, "頂いた" is used to indicate the polite form of "receiving something" from someone.
この服を頂いた。
I received this clothes.
Here, "頂いた" is used as a respectful way to describe receiving advice from a person of higher social status like a teacher.
先生から良いアドバイスを頂いた。
I received good advice from the teacher.
In this context, "頂いた" means to have been given a present, indicating formal gratitude.