noun
beginning, start
B1
Beginn: masculine noun (der Beginn) meaning the beginning or start of something. Plural is Beginne (used but rare); genitive singular des Beginns shows -s ending. Used for time points (at the beginning). Regular declension apart from genitive ending; common in formal and everyday contexts.
Examples
Am Beginn des Films gab es ein kurzes Intro.
At the beginning of the movie there was a short intro.
Der Beginn des Kurses ist nächsten Montag.
The start of the course is next Monday.
Vor dem Beginn der Veranstaltung wurde überprüft, ob alle Sicherheitsvorschriften eingehalten worden waren.
Before the start of the event, it was checked whether all safety regulations had been observed.
Details
Mnemonics
Picture the word 'BEGIN' on a countdown clock starting at zero.
Sounds like 'begin' (English) — the start of something.
der = imagine a male conductor starting an orchestra; 'der Beginn' starts the show.
Notes
Beginn is masculine (der). The genitive is commonly des Beginns. A close synonym is 'Anfang'.