LATIN DICTIONARYLexicon Latīnum
adverb

natī̆tenus

natī̆tenus (not comparable)
Classical[naˈtiː.tɛ.nʊs]Ecclesiastical[naˈtiː.te.nus]

Meaning

  1. Medieval Latinnot comparableup to the buttocks, as far as the buttocks

Origins

From natis + tenus (postposition).

Quick answers

What does natī̆tenus mean in Latin?
natī̆tenus, a adverb, means “up to the buttocks, as far as the buttocks”.
How do you pronounce natī̆tenus?
In classical Latin, [naˈtiː.tɛ.nʊs]; in ecclesiastical (church) Latin, [naˈtiː.te.nus].