LATIN DICTIONARYLexicon Latīnum
conjunction

ex quo

ex quo
Classical[ˈɛks ˈkʷoː]Ecclesiastical[ˈɛks ˈkʷɔː]

Meaning

  1. since
    prōditōrem nōlō dīcere, certē speculātōrem habēmus in sinū, cujus, ex quō obses Rōmae fuit, corpus nōbīs reddidērunt Rōmānī, animum ipsī habent.27 BCE – 25 BCE, Titus Livius, Ab urbe condita 40.5.12
    Cūr salūtās virginem, quae nōn nōvit hominem, ex quō fuit nāta?c. 1200, anonymous, Carmina Burana 157.4

Origins

ex (“since”) and quō (neuter ablative singular of the relative pronoun)

Quick answers

What does ex quo mean in Latin?
ex quo, a conjunction, means “since”.
How do you pronounce ex quo?
In classical Latin, [ˈɛks ˈkʷoː]; in ecclesiastical (church) Latin, [ˈɛks ˈkʷɔː].