The December goal is there because it would give appropriators time to write their bills and divvy up the funds Congress approves.
How did you divvy up material for the articles and the book?
1872, American English, originally a noun, a slang shortening of dividend; the verb was in use by 1877 and is primary now (the noun is not in "Webster's New World Dictionary"), leading some (e.g. "Webster's") to think the word is a slang alteration of divide. Related: Divvying. In early 20c. British slang the same word was a shortening of divine (adj.).
(also divvy out or divvy up) To divide; apportion; Piece Up: The governor and the Paris crook divvy the swag/ We would pass our hats and divvy up (1872+)