‘Amein’ (Amen: Truth, Truly, 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/

  The significance of the 

“I AM”, short form of “I AM WHAT I WILL BE”, ETC.. The name above all names, YHWH: (Replaced with Lord ~7000 times in scripture)

This the Name Given to Moses by the ‘Elohiym of the Bible, YHWH (YHVH), or (YH) in abbreviated form; for all to experience..

“According to the Hebrew Bible, in the encounter of the burning bush (Exodus 3:14) Moses asks what he is to say to the Israelites when they ask what ‘gods’ (‘Elohiym) have sent him to them, and YHWH replies, “I am who I am”, adding, “Say this to the people of Israel,

‘I am has sent me to you.’ ” 

The Name that is ‘the spirit’ (ha-ruwach: the expression of, the mind of, etc..), the Word and Works of the Bible’s true ‘Elohiym!

“I AM THAT I AM”
Source (Interpretation section): https://en.wikipedia.org/wiki/I_Am_that_I_Am