LATIN DICTIONARYLexicon Latīnum
prefix

ne-

ne-
Classical[nɛ]Ecclesiastical[ne]

Meaning

  1. morphemeabsolutely negates the principal meaning
    ne- (“not”) + sciō (“to know”) → nesciō (“to not know”)

Origins

From Old Latin ne (“not”) in compositions.

Quick answers

What does ne- mean in Latin?
ne-, a prefix, means “absolutely negates the principal meaning”.
How do you pronounce ne-?
In classical Latin, [nɛ]; in ecclesiastical (church) Latin, [ne].