This is the 811th most frequent Finnish word.
anu
"Anu" is a Finnish female given name.
The word 'Anu' here is used as a proper noun, referring to a person's name.
Anu on vihreät silmät.
Anu has green eyes.
The root 'anu' is used here in a derived form ('anoimme'), meaning 'requested' or 'pleaded for'.
Anoimme opettajalta lisäaikaa tehtävään.
We requested extra time for the assignment from the teacher.
Here, 'anusten' is used as a possessive form of 'Anu', indicating something that belongs to a person named Anu or their family.