This is the 140th most frequent Hebrew word.
אנו
"We" or "us."
אנו is a formal Hebrew word for 'we', used here as the subject of the sentence to indicate the first-person plural.
אנו הולכים לבית הספר כל יום.
We go to school every day.
אנו shows formality in Israeli Standard Hebrew, replacing the more conversational 'אנחנו', suitable for official or literary contexts.
אנו מעריכים את עזרתכם.
We appreciate your help.
'אנו' in this context functions as a formal collective pronoun within a subordinate clause.