Journal (noun)

1. A daily record of events or business.
2. A periodical publication containing articles and other writings on a particular subject or group of subjects.
3. A personal diary.

Origin:

Late middle english: from old french jurnal, from latin diurnalis, from diurnus "daily", from dies "day".

Examples:

1. He kept a journal of his trip.
2. The journal published an article on the research.
3. The company's financial journal was audited.
4. The journal had a wide readership.
5. He wrote in his journal every night before bed.