This is the 18194th most frequent Russian word.
частям
The Russian word "частям" means "to parts" or "to sections" (dative plural of "часть").
In this sentence, 'частям' is in dative plural and describes parts to which the book was divided.
Мы разделили святую книгу на части и распределили её между участниками.
We divided the holy book into parts and distributed it among the participants.
The word 'частям' is used in dative plural, reflecting the result of breaking into parts.
После аварии машина распалась на части, которые было невозможно собрать.
After the accident, the car fell apart into pieces which were impossible to gather.
The word 'частям' represents the dative plural form, indicating the target of assignment.