Plagal cadence
The plagal cadence is the cadential progression .[1][2]
The name comes from the association of this chord progression in hymns where the accompanying text is frequently “Amen”.[1]
The plagal cadence is not recognized as a “real” cadence in the era of Classical music.[2]
References:
[1]: kostka-2018 p.148
[2]: caplin-2013 p.56