Lucia facultatem celeriter discendi habet.

Lucia is nominative singular. It is the subject because it is the person doing the action of habet (has).

This is a common pattern in Latin:

• Lucia = subject, nominative
• habet = verb
• facultatem = direct object, accusative

So the basic structure is:

• Lucia ... habet = Lucia has ...

Because it is the direct object of habet.

The verb habere means to have, and the thing someone has is put in the accusative case.

So:

• facultas = ability, opportunity, capacity
• facultatem = accusative singular, ability/opportunity as the thing possessed

In other words:

• Lucia facultatem habet = Lucia has the ability/opportunity

Here facultas means something like:

• ability
• opportunity
• capacity
• sometimes means

In this sentence, it most naturally means ability or opportunity.

A native English speaker may first think of faculty in the modern English sense, like a university department or the teaching staff, but that is not the meaning here.

Because discendi is a gerund, not an infinitive.

• discere = to learn (infinitive)
• discendi = of learning (genitive gerund)

Latin often uses a noun + genitive gerund where English prefers a noun + infinitive.

So instead of saying something exactly like the ability to learn quickly, Latin says more literally:

• the ability of learning quickly

That is why discendi appears here rather than discere.

A gerund in Latin is a verbal noun. It comes from a verb, but it behaves like a noun.

From disco, discere, didici (learn), the gerund forms include:

• discendi = of learning (genitive)
• discendo = by/in learning (dative or ablative depending on use)
• discendum = learning as an accusative form in certain constructions

In this sentence, discendi is the genitive singular gerund.

Because it depends on facultatem.

Latin often uses facultas with a genitive to express the ability/opportunity of doing something.

So:

• facultatem discendi = the ability/opportunity of learning

This is a very natural Latin construction, even though English usually prefers the ability to learn.

Celeriter is an adverb meaning quickly.

It modifies the idea of learning, not having.

So the sense is:

• the ability of learning quickly

not

• the ability quickly has or Lucia quickly has the ability

Because discendi is a verbal form, an adverb can naturally modify it.

Latin word order is much more flexible than English word order.

Here celeriter comes right before discendi to stay close to the idea it modifies:

• celeriter discendi = of learning quickly

This placement makes the connection clear. But Latin often allows different arrangements for emphasis or style.

Sometimes Latin can use an infinitive after certain words, but with facultas the genitive gerund is very common and idiomatic.

So facultatem celeriter discendi is a natural way to say:

• the ability/opportunity to learn quickly

A learner may want to translate word-for-word with an infinitive because English does that, but Latin often prefers a different structure.

Habet is a verb, specifically:

• 3rd person singular
• present tense
• indicative mood
• active voice

It comes from habeo, habere (to have).

So habet means:

• he has
• she has
• it has

Here, because the subject is Lucia, it means she has.

Because the ending of the verb already tells you the subject is 3rd person singular.

• habet = he/she/it has

Then the noun Lucia makes it clear who that she is.

Latin often leaves subject pronouns unstated unless they are needed for emphasis or contrast.

Yes, that is a good literal way to see it.

A very literal breakdown is:

• Lucia = Lucia
• facultatem = ability/opportunity
• celeriter = quickly
• discendi = of learning
• habet = has

So the sentence is literally something like:

• Lucia has the ability of learning quickly

That literal view helps explain the grammar, even if the smoother English translation is different.

The core pattern is:

• Subject + object + verb

Specifically:

• Lucia = subject
• facultatem celeriter discendi = object phrase
• habet = verb

Inside the object phrase:

• facultatem is the main noun
• discendi depends on it
• celeriter modifies discendi

So the sentence is built in layers, not just word-by-word.