LATIN DICTIONARYLexicon Latīnum
adverb

āmēn1

āmēn (not comparable)
Classical[ˈaː.meːn]Ecclesiastical[ˈaː.men]

Meaning

  1. EcclesiasticalLate LatinLatinMedieval Latinnot comparableamen; so be it, let it be
  2. EcclesiasticalLate LatinLatinMedieval Latinnot comparableamen; truly, verily

āmēn ; Gr. ἀμήν (eccl. Lat.).
I. Adj., true, faithful: (tu Deus) fecisti mirabilia, cogitationes fideles, amen (Heb. = verity), Vulg. Isa. 25, 1.—
II. Subst., truth, faith fulness: qui benedictus est, benedicetur in Deo amen, in the God of faithfulness, Vulg. Isa. 65, 16: haec dicit Amen (Gr. ὁ Αμήν), He that is True, ib. Apoc. 3, 14.—
III. Most freq. adv.
A. Prop., to confirm words spoken by one's self or another, So be it; Fr. Ainsi soit-il; LXX. γένοιτο, Amen: et respondebit omnis populus, Amen, Vulg. Deut. 27, 15; 5, 22 et saep.: Gratia vobiscum, Amen, ib. 2 Tim. 4, 21: cui (Deo) honor et gloria in saecula saeculorum, Amen, ib. Rom. 16, 27 et saep. —
B. In gen., truly, surely, verily; very freq. in the phrase. Amen dico vobis, Vulg. Matt. 5, 18 al.; ib. Marc. 3, 28 al.; ib. Luc. 4, 24 al.; and in St. John: Amen, amen dico vobis, ib. Joan. 1, 51 al. (The a is long in Aus. Eph. ap. Orat. fin., and Prud. Cath. 4, 72, but short in Paul. Nol. Poëm. 17 ad Nicet. 117.)

Origins

Borrowed from Koine Greek ᾱ̓μήν (āmḗn), borrowed from Biblical Hebrew אָמֵן. Cognate with Arabic آمِين (ʔāmīn), Aramaic אַמִין (ʾamīn), Classical Syriac ܐܰܡܺܝܢ (ʾamīn).

interjection
āmēn2
āmēn
Classical[ˈaː.meːn]Ecclesiastical[ˈaː.men]

Meaning

  1. EcclesiasticalLate LatinLatinMedieval Latinamen

Origins

Borrowed from Koine Greek ᾱ̓μήν (āmḗn), borrowed from Biblical Hebrew אָמֵן. Cognate with Arabic آمِين (ʔāmīn), Aramaic אַמִין (ʾamīn), Classical Syriac ܐܰܡܺܝܢ (ʾamīn).

Quick answers

What does āmēn mean in Latin?
āmēn, a adverb, means “amen; so be it, let it be; amen”.
How do you pronounce āmēn?
In classical Latin, [ˈaː.meːn]; in ecclesiastical (church) Latin, [ˈaː.men].