LATIN DICTIONARYLexicon Latīnum
adverb

īnferne

īnferne (not comparable)
Classical[ĩːˈfɛr.nɛ]Ecclesiastical[iɱˈfɛr.ne]

Meaning

  1. not comparablefrom below
  2. not comparablebelow, beneath

infernĕ, adv., v. infernus, a, um,
I. fin.

Origins

Possibly by analogy with superne.

Quick answers

What does īnferne mean in Latin?
īnferne, a adverb, means “from below; below, beneath”.
How do you pronounce īnferne?
In classical Latin, [ĩːˈfɛr.nɛ]; in ecclesiastical (church) Latin, [iɱˈfɛr.ne].