From Wiktionary, the free dictionary
in + aenigma (“enigma, mystery”)
in aenigmate (not comparable)
- (Late Latin) darkly, in an obscure manner
405 CE,
Jerome,
Vulgate I Corinthios.13.12:
- Videmus nunc per speculum in aenigmate, tunc autem faciem ad faciem.
- Now we see through a mirror darkly, but then face to face.