Quo severior iudex videtur, eo celerius rea veritatem fateri vult.

This is a very common Latin pattern called the correlative comparative:

• quo + comparative
• eo + comparative

It means the more ... , the more ... or the -er ... , the -er ....

So here:

• quo severior iudex videtur = the more severe the judge seems
• eo celerius rea veritatem fateri vult = the more quickly the defendant wants to confess the truth

A helpful way to learn it is to treat quo ... eo ... as a set expression.

Because this is not an ordinary comparison of one thing with another, like the judge is harsher than the prosecutor.

Instead, the sentence links two changing degrees:

• as the judge seems more severe,
• the defendant wants to confess more quickly.

In this kind of comparison, Latin normally uses quo ... eo ..., not quam.

Because severior goes with iudex and is a predicate adjective after videtur.

• iudex = nominative singular, the subject
• severior = nominative singular, agreeing with iudex

So the structure is basically:

• iudex severior videtur = the judge seems more severe

Since videtur works like seems, the adjective stays in the nominative rather than becoming an object.

Videtur is from videor, videri, and in many contexts it means to seem or to appear.

So:

• iudex videtur = the judge seems

Even though the form looks passive if you compare it with video, you should learn videor here as a normal verb meaning seem.

So severior iudex videtur means the judge seems more severe, not literally the judge is seen more severe.

Because celerius is an adverb, while celerior is an adjective.

Here Latin needs an adverb, because it describes how the defendant wants to confess:

• celerius = more quickly, sooner

It does not describe rea directly. If it were describing a noun, then an adjective like celerior would be needed.

A useful rule:

• comparative adjective: -ior for masculine/feminine, -ius for neuter
• comparative adverb: usually -ius

So here celerius is the normal comparative adverb.

Rea is the feminine form of reus/reā, meaning defendant, accused person, or in some contexts guilty party.

In this sentence it is a noun: the female defendant.

It is the subject of the second clause:

• rea ... vult = the defendant wants ...

If the defendant were male, Latin would use reus instead.

Fateri is the present infinitive of fateor, fateri, fassus sum, meaning to confess or to admit.

It is also a deponent verb. That means:

• it has passive-looking forms,
• but an active meaning.

So although fateri may look unusual at first, it simply means to confess.

It is infinitive here because it depends on vult:

• vult fateri = wants to confess

Because it is the direct object of fateri.

• fateri = to confess
• what does she confess? veritatem = the truth

So Latin uses the accusative:

• veritatem fateri = to confess the truth

Because that is the normal way Latin expresses wanting to do something.

• vult = she wants
• fateri = to confess

Together:

• vult fateri = she wants to confess

This is called a complementary infinitive. English does the same thing very often: wants to confess.

Yes. Latin word order is flexible, but the order here is very natural and expressive.

• Quo severior comes first to signal the the more ... pattern immediately.
• iudex appears after the comparative, which keeps the focus on degree first.
• rea veritatem fateri vult puts vult at the end, a very common Latin placement for the main verb.

So the sentence is not random. The endings show the grammar, while the order helps with emphasis and flow.

Yes. In context, comparative adverbs like celerius can often be translated a little flexibly.

Depending on the situation, English might say:

• more quickly
• faster
• sooner

The core idea is that, as the judge seems harsher, the defendant is more ready to confess without delay.