Odor panis e culina venit, et infans ridet.

Because panis is in the genitive here, giving the idea of bread.

So:

• odor = smell
• panis = of bread

Together, odor panis means the smell of bread.

This is a very common Latin pattern: one noun followed by a genitive noun.

Examples of the same idea:

• villa agricolae = the farmer’s house
• amor patriae = love of country
• odor panis = smell of bread

With panis, the nominative singular and genitive singular happen to look the same, so you have to tell from context which one it is.

Odor is nominative singular.

It is the subject of venit, so it is the thing that comes:

• Odor ... venit = The smell ... comes

Even though English might sometimes prefer the smell is coming, Latin simply uses the present tense venit.

Because Latin usually uses a preposition to express from in this kind of sentence.

• e or ex = out of, from
• culina = kitchen

So:

• e culina = from the kitchen / out of the kitchen

The preposition e/ex takes the ablative case, and culina here is ablative singular.

They mean the same thing here: from or out of.

Latin often uses:

• e before many consonants
• ex before vowels or sometimes for sound preference

So both of these are possible in many contexts:

• e culina
• ex culina

In this sentence, e culina is perfectly normal.

That is just a natural Latin way to express the idea.

Latin often describes things vividly and concretely:

• odor ... venit = the smell comes
• e culina = from the kitchen

So the image is that the smell is coming out from the kitchen.

In idiomatic English, we might also say:

• The smell of bread is coming from the kitchen
• There is a smell of bread coming from the kitchen

But the Latin structure is straightforward and natural.

In this sentence, venit is understood as present tense: comes or is coming.

However, this is a very good question, because in written Latin without macrons, venit can be ambiguous:

• venit = he/she/it comes or is coming
• vēnit = he/she/it came or has come

The difference is in vowel length, which often is not written in ordinary texts. Here the meaning of the sentence makes it clear that present tense is intended.

Classical Latin has no definite article like English the, and no indefinite article like a/an either.

So:

• odor can mean smell, a smell, or the smell
• infans can mean an infant, the infant, a child, or the child

You decide from context which English article sounds right.

That is why:

• Odor panis = The smell of bread
• infans ridet = the baby laughs or the child is laughing

It is ablative singular.

The preposition e/ex requires the ablative. So:

• e culina = from the kitchen

This is a useful rule to remember:

• e/ex + ablative = out of / from

Infans is a noun meaning infant, baby, or child.

In this sentence it is nominative singular, because it is the subject of ridet:

• infans ridet = the baby laughs

A learner may notice that infans ends in -ns, which is common in some third-declension nouns. It belongs to the third declension.

It most basically means laughs, but depending on context it can sometimes be translated more gently, like smiles.

So:

• infans ridet could be the baby laughs
• in some contexts, the baby smiles may fit better

If your provided meaning says laughs, that is the safest direct choice.

Latin word order is quite flexible.

The two clauses are:

• Odor panis e culina venit
• et infans ridet

In both clauses, the verb is actually placed fairly late, and that is very normal in Latin. But Latin does not have a fixed word order like English.

The important thing is shown mostly by endings, not by position.

So Latin can often move words around for emphasis or style. For example, the first clause could also be rearranged in other ways without changing the core meaning, as long as the forms remain clear.

Yes. Et very commonly means and, and it can join:

• words
• phrases
• full clauses

Here it joins two complete statements:

1. Odor panis e culina venit
2. infans ridet

So the whole sentence means:

• The smell of bread comes from the kitchen, and the baby laughs.

Because Latin verb endings already show the person and number.

Both venit and ridet are third person singular:

• venit = he/she/it comes
• ridet = he/she/it laughs

Since the verb already includes that information, Latin usually does not need a separate subject pronoun unless it wants special emphasis.

So:

• odor ... venit already tells you it comes
• infans ridet already tells you he/she laughs

Panis is a third-declension noun.

Its basic forms are:

• nominative singular: panis = bread
• genitive singular: panis = of bread

That is why learners often pause here: the nominative and genitive singular look identical. In this sentence, the meaning and structure show that panis is genitive:

• odor panis = the smell of bread

Yes. Infans can refer to either.

It is a noun for a very young child or baby, and context tells you the sex if that matters. So English might translate it as:

• the baby
• the infant
• the child

without specifying boy or girl unless the context does.

A simple classroom pronunciation would be roughly:

• Odor panis e culina venit, et infans ridet.
• OH-dor PAH-nis eh koo-LEE-nah WEH-nit, et IN-fahns REE-det

A few helpful points:

• c in culina is always hard, like k
• v in restored classical pronunciation sounds like w
• i is usually like ee
• every vowel is pronounced

So in a more classical-style pronunciation, venit may sound closer to weh-nit than English veh-nit.