Learn how to say Advent correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word advent:
1the arrival of a notable person or thing:
the advent of television
2 (Advent) the first season of the Church year, leading up to Christmas and including the four preceding Sundays.
(Advent) Christian Theology the coming or second coming of Christ.
Old English, from Latin adventus ‘arrival’, from advenire, from ad- ‘to’ + venire ‘come’