This is the 60th most frequent Vietnamese word.
cô
The Vietnamese word "cô" means "aunt," "miss," or "teacher" (female), depending on context.
In this sentence, "cô" is part of "cô ấy," which means "she" or "her." It indicates a female third-person subject.
Cô ấy là giáo viên của tôi.
She is my teacher.
Here, "cô" serves as a noun meaning "aunt," specifically referring to a younger sister of one's father.
Tôi sẽ ghé thăm cô của tôi vào cuối tuần.
I will visit my aunt this weekend.
In this example, "cô" is used as a respectful term for addressing or referring to a young or unmarried female teacher.