advent
n. uncountablen. the start of a new and important event, invention, or period of time. You use this to talk about when something big first arrives and changes things.
n. the arrival or emergence of a notable person, thing, or event. Often used to mark the beginning of a significant historical or technological epoch.
The advent of the internet changed how we communicate.
Life in the village changed dramatically with the advent of the railway in the late nineteenth century.
Scholars argue that the advent of mass-market printing was the single most important catalyst for the spread of literacy across the continent.
By proprialization from advent.
From Saint Adwen (Saint Adwenna).
Typically used in the singular form and almost always preceded by the definite article 'the'.