Puella vestimentum novum induit, quia tunica vetus iam sordida est.

Because puella is the subject of induit. It is in the nominative singular, the case usually used for the subject of a sentence.

• puella = girl
• nominative singular = the girl as the one doing the action

So puella ... induit means the girl ... puts on / is putting on / has put on depending on context.

Because vestimentum is the direct object of induit, so it must be in the accusative singular. Since vestimentum is a neuter noun, its accusative singular ends in -um, and the adjective novus has to agree with it.

So:

• vestimentum = accusative singular neuter
• novum = accusative singular neuter

They match in:

• case
• number
• gender

That is why Latin uses vestimentum novum for a new garment.

Because adjectives agree with the noun they describe, not with some other nearby noun.

Here novum describes vestimentum, not puella.

• puella is feminine
• vestimentum is neuter
• so the adjective describing vestimentum must also be neuter: novum

A native English speaker often expects the adjective to somehow connect to the main person in the sentence, but in Latin adjective agreement is strictly grammatical: it follows the noun it modifies.

This is a very common question, because induit can be ambiguous in spelling.

It can be:

• present: he/she puts on or is putting on
• perfect: he/she put on or has put on

Both forms are spelled induit.

In this sentence, if the meaning shown to the learner is present, then we understand it here as she puts on or is putting on.

This happens because the verb induere has forms that overlap:

• present 3rd singular: induit
• perfect 3rd singular: induit

So context or a provided translation tells you which one is meant.

Because Latin usually uses the simple present for both English puts on and is putting on.

So induit can mean:

• she puts on
• she is putting on

Latin does not normally need a special progressive form like English does. The broader context tells you whether the action is habitual, general, or happening right now.

They are related, but they are not the same word.

• vestimentum is a more general word: garment, piece of clothing, clothing
• tunica is a more specific item: tunic

So the sentence is not simply repeating the same noun twice. It is saying that the girl puts on a new garment, because the old tunic is already dirty.

A learner might also notice that English may make this sound slightly odd depending on context, but in Latin the distinction is perfectly normal: one word is general, the other specific.

Because vetus belongs to a different adjective pattern.

Unlike novus, nova, novum, which is a first/second-declension adjective, vetus is a third-declension adjective. Its forms work differently.

Here vetus describes tunica, which is feminine nominative singular. The nominative singular form of vetus is simply vetus.

So:

• tunica vetus = the old tunic
• vetus agrees with tunica
• but its ending does not look like -a because third-declension adjectives do not follow the same pattern as first/second-declension adjectives

This is very normal in Latin.

Because sordida is a predicate adjective linked to tunica by est.

In other words:

• tunica = subject
• est = is
• sordida = adjective describing the subject

Since tunica is feminine singular nominative, sordida must also be feminine singular nominative.

So:

• tunica ... sordida est = the tunic is dirty

This is different from vestimentum novum, where the adjective novum directly modifies the object noun.

Iam usually means now, already, or by now, depending on context.

In this sentence, already is the most natural meaning:

• tunica vetus iam sordida est = the old tunic is already dirty

It gives the sense that the tunic has reached that state by this point. It helps explain why she is putting on the new garment.

Quia means because. It introduces a clause giving the reason.

So the sentence breaks into two parts:

• Puella vestimentum novum induit
• quia tunica vetus iam sordida est

Together: the first action happens because of the second fact.

A learner may also want to know about mood: after quia, Latin often uses the indicative when the speaker presents the reason as a straightforward fact. That is exactly what happens here with est.

Because Latin often leaves out possessive words when they are obvious from context.

So tunica vetus can mean:

• the old tunic
• or, in context, her old tunic

English often prefers to make that explicit, but Latin does not always need to. If it is clear that the tunic belongs to the girl, a possessive like eius or sua may be unnecessary.

This is very common and can feel strange to English speakers at first.

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

English usually prefers:

• the old tunic is already dirty

Latin can place the verb later:

• tunica vetus iam sordida est

This often sounds natural in Latin, especially with est. The ending of each word tells you its role, so Latin does not rely as heavily on word order as English does.

Yes, to a large extent.

Because Latin uses case endings, several word orders are possible without changing the basic meaning. For example, the sentence could be rearranged in various ways and still mean essentially the same thing, though the emphasis might shift.

The given order is natural and clear:

• Puella vestimentum novum induit
• quia tunica vetus iam sordida est

But Latin allows movement for emphasis, style, or rhythm much more freely than English.

In Latin, you often group words by agreement and syntax, not just by position.

Here the main groupings are:

• puella = subject
• vestimentum novum = object + adjective
• induit = verb
• quia = introduces the reason clause
• tunica vetus = subject + adjective in the subordinate clause
• iam = adverb
• sordida est = predicate adjective + verb

A useful strategy is to look for:

1. the main verb
2. the nominative subject
3. any accusative direct object
4. adjectives agreeing with nearby nouns
5. conjunctions like quia

That helps you see the structure even when the word order feels unfamiliar.