This is the 29th most frequent Latvian word.
mūsu
"Our"
The word 'mūsu' demonstrates possessive plural first person usage, indicating that the family belongs to 'us' collectively.
Mūsu ģimene ir liela un draudzīga.
Our family is large and friendly.
The word 'mūsu' reflects ownership of the dreams by 'us', and relates to aspirations held collectively by the speakers.
Mūsu sapņi vienmēr ir vadījuši mūs uz priekšu.
Our dreams have always guided us forward.
Here, 'mūsu' applies to a success ('victory') being associated with the possessing group which includes the speaker.