PRORATE
prorate
(verb) divide or assess proportionally; “The rent was prorated for the rest of the month”
prorate
(verb) make a proportional settlement or distribution
Source: WordNet® 3.1
Etymology
Verb
prorate (third-person singular simple present prorates, present participle prorating, simple past and past participle prorated)
To divide proportionately, especially by day; to divide pro rata.
Anagrams
• praetor, prætor
Source: Wiktionary
Pro*rate", v. t. [imp. & p. p. Prorated; p. pr. & vb. n. Prorating.]
Etym: [From L. pro rata (sc. parte) according to a certain part, in
proportion.]
Definition: To divide or distribute proportionally; to assess pro rata.
[U.S.]
Source: Webster’s Unabridged Dictionary 1913 Edition