This is the 539th most frequent Latvian word.
daļai
"Daļai" means "partly" or "for a part."
Here, 'daļai' is used in the dative case to indicate a specific part (group) of the class.
Sēkiet šo jautājumu daļai klasē!
Address this question to a part of the class!
In this sentence, 'daļai' is also in the dative case, describing a specific portion of the subject (the wood).
Koka daļai jābūt gludai un tīrai.
A part of the wood must be smooth and clean.
Here, 'daļai' is utilized to express the specific subset of a greater set (friends) associated with trust.