‘Amen’ [Amein: Truly, Truth, etc..]

Strong’s Hebrew Lexicon:

Amen (Amein): אָמֵן ʼâmên, aw-mane’; from H539; sure; abstract, faithfulness; adverb, truly:—Amen, so be it, truth. https://www.blueletterbible.org/lexicon/h543/kjv/wlc/0-1/