LATIN DICTIONARYLexicon Latīnum
adverb

illōrsum

illōrsum (not comparable)
Classical[ɪlˈloːr.sũː]Ecclesiastical[ilˈlɔr.sum]

Meaning

  1. not comparablethither, towards there

illorsum et aliorsum sicut introrsum dixit Cato (
I. thitherwards, thither), Paul. ex Fest. s. v. aliorsum, p. 27 Müll.

Origins

Contraction of ille (“that”) + vorsum (“toward”).

Quick answers

What does illōrsum mean in Latin?
illōrsum, a adverb, means “thither, towards there”.
How do you pronounce illōrsum?
In classical Latin, [ɪlˈloːr.sũː]; in ecclesiastical (church) Latin, [ilˈlɔr.sum].