LATIN DICTIONARYLexicon Latīnum
adverb

quāpropter

quāpropter (not comparable)
Classical[kʷaːˈprɔp.tɛr]Ecclesiastical[kʷaˈprɔp.ter]

Meaning

  1. interrogativenot comparablewhy?, wherefore?
    PHILEMATUS. Quāpropter? SCAPHA. Quia ēcastor mulier rēctē olet, ubi nihil olet.c. 200 BCE, Plautus, Mostellaria 273 (meter: trochaic septenarius)
    SIMO. […] quem ego crēdō manibus pedibusque obnīxē omnia factūrum, magis id adeō mihi ut incommodet166 BCE, Publius Terentius Afer, Andria 161-163 (meter: iambic senarius)
  2. not comparablerelativeon which account, wherefore
    Quāpropter neque nātālī prīvāta vidēturc. 99 BCE – 55 BCE, Lucretius, De rerum natura 3.371–372 (meter: dactylic hexameter)

quă-propter (in tmesi:
I. qua me propter adduxi, Ter. Hec. 3, 3, 4), adv. qui-propter, for what, wherefore, why.
I. Interrog. (ante- and post-class.): quapropter id vos factum suspicamini? Plaut. Most. 2, 2, 52: Tra. Quāpropter? Theo. Quia, etc., id. ib. 3, 2, 140: parumper opperire me hic: My. Quapropter? Ter. And. 4, 2, 31.—
B. Indirect: sed quid est quapropter nobis vos malum minitamini? Plaut. Bacch. 5, 4, 25: credo te non nihil mirari, Quid sit, quapropter te huc foras puerum evocare jussi, Ter. Hec. 5, 1, 6: interrogatus quapropter vellet, etc., Val. Max. 8, 13, ext. 2. —
II. Transf., in passing to a new thought, wherefore, on which account (class.): quapropter hoc dicam, numquam, etc., Cic. Caecin. 27, 78; Ter. Heaut. 2, 3, 116; id. Ad. 3, 2, 44; Val. Max. 6, 4, 4 al.

Quick answers

What does quāpropter mean in Latin?
quāpropter, a adverb, means “why?, wherefore?; on which account, wherefore”.
How do you pronounce quāpropter?
In classical Latin, [kʷaːˈprɔp.tɛr]; in ecclesiastical (church) Latin, [kʷaˈprɔp.ter].