LATIN DICTIONARYLexicon Latīnum
adverb

istim

istim (not comparable)
Classical[ˈɪs.tĩː]Ecclesiastical[ˈis.tim]

Meaning

  1. not comparablerarethither (to that place)

istim, adv. iste,
I. thither, to that place (very rare): nolite, hospites, ad me adire! ilico istim! Enn. ap. Cic. Tusc. 3, 12, 26 (Enn. Trag. v. 404 Vahl., and Trag. Rel. v. 303 Rib., isti, in the same meaning): quod eos usque istim exauditos putem, Cic. Att. 1, 14, 4 (Klotz, but Baiter reads istinc): ite istim, ecferte lora, Plaut. Capt. 3, 4, 125 (acc. to Lachm. ad Lucr. vol. 2, p. 189; al. istinc).

Origins

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. )

Quick answers

What does istim mean in Latin?
istim, a adverb, means “thither (to that place)”.
How do you pronounce istim?
In classical Latin, [ˈɪs.tĩː]; in ecclesiastical (church) Latin, [ˈis.tim].