In foro femina aurum et gemmas spectat.

Because after in meaning in / on / at a place, Latin usually uses the ablative case.

• forum = nominative or accusative singular
• foro = ablative singular

So:

• in foro = in the forum / in the marketplace

A very common contrast is:

• in foro = in the forum (location: where?)
• in forum = into the forum (motion toward: where to?)

Here the sentence describes where the woman is, so ablative is used.

Because femina is in the nominative singular, which is the normal case for the subject of a sentence.

The verb is spectat, which means she looks at / watches / examines, so the person doing the action must be singular. Femina matches that perfectly:

• femina = woman in the nominative singular
• therefore femina is the one doing the looking

Even though English relies heavily on word order, Latin often tells you the subject by the word ending instead.

Spectat is the third person singular present active indicative of spectare.

That means it can be translated as:

• she looks at
• she is looking at
• sometimes she watches or she examines, depending on context

The ending -t is the key sign here: it means he/she/it.

So spectat = he/she/it looks at.
Because the subject is femina, we understand it as she looks at.

Because they are the things being looked at, so they are direct objects, and direct objects normally go in the accusative case.

• aurum is accusative singular
• gemmas is accusative plural

So the woman is looking at:

• aurum = gold
• gemmas = gems / jewels

Latin marks these roles with case endings rather than depending only on position in the sentence.

This is a very natural thing in Latin.

Aurum often means gold as a material, so it works like a mass noun, similar to English gold. You usually do not need a plural for that idea.

By contrast, gemmas refers to individual items:

• gemma = a gem / jewel
• gemmas = gems / jewels

So the sentence is basically saying she is looking at gold and jewels. One is a material, and the other is a countable plural noun.

Because Classical Latin has no articles.

English says:

• the woman
• a woman
• the gold
• the gems

Latin usually just says:

• femina
• aurum
• gemmas

Context tells you whether English should use a, an, the, or no article at all.

So femina could mean:

• a woman
• the woman

depending on the context.

Yes. Latin word order is much more flexible than English word order because the endings show the grammatical roles.

This sentence is:

• In foro femina aurum et gemmas spectat.

But Latin could also say, for example:

• Femina in foro aurum et gemmas spectat.
• Aurum et gemmas femina in foro spectat.
• Spectat femina in foro aurum et gemmas.

These all keep roughly the same basic meaning, though the emphasis may change.

The given order is fairly natural:

• In foro sets the scene first
• femina gives the subject
• aurum et gemmas gives the objects
• spectat places the verb at the end, which is very common in Latin

Et means and.

It joins aurum and gemmas, showing that both are objects of spectat:

• she looks at gold
• and she looks at gems

So aurum et gemmas works as a pair: gold and gems.

Yes. It is a prepositional phrase giving location.

• in = in
• foro = ablative singular of forum

Together they answer the question where?

• In foro = in the forum / in the marketplace

So the sentence has:

• a location phrase: in foro
• a subject: femina
• direct objects: aurum et gemmas
• a verb: spectat

They come from different declensions:

• femina, feminae — first declension
• forum, fori — second declension neuter
• aurum, auri — second declension neuter
• gemma, gemmae — first declension

That helps explain the forms you see:

• femina = nominative singular
• foro = ablative singular
• aurum = accusative singular
• gemmas = accusative plural

Recognizing declensions makes it much easier to identify case and function.

Because aurum is a neuter noun of the second declension.

A very important Latin rule is:

• neuter nominative singular and neuter accusative singular are the same

So:

• nominative singular: aurum
• accusative singular: aurum

That is why you cannot tell its case from the form alone. You understand it as accusative here because it is the object of spectat.

A simple classroom pronunciation would be something like:

• in FO-ro FEH-mi-na AU-rum et GEM-mas SPEK-tat

A few helpful notes:

• c is always hard, like k
• v in restored classical pronunciation sounds like w, though many learners use an English v
• au sounds like the ow in cow
• g is always hard, as in go

So spectat begins with a hard k sound: spek-tat, not speh-chat or speh-sat.