"number of times one quantity is contained in another," mid-15c., from Latin quotiens "how often? how many times?; as often as," pronomial adverb of time, from quot "how many?" (see quote (v.)). The Latin adverb quotiens was mistaken in Middle English for a present participle in -ens.
quotient quo·tient (kwō'shənt)
The number obtained by dividing one quantity by another.