Puer timidus ad matrem currit, quia apud eam praesidium invenit.

Puer is in the nominative singular, which tells you it is the subject of the sentence: the boy is the one doing the action.

It appears first because Latin often puts the topic or main focus early in the sentence, but Latin word order is much freer than English word order. So puer does not have to come first in order to be the subject; its case ending already shows its role.

Also, Latin has no articles like the or a/an, so puer can mean the boy or a boy, depending on context.

Timidus is an adjective describing puer, so it must agree with it in:

• gender: masculine
• number: singular
• case: nominative

So:

• puer = masculine nominative singular
• timidus = masculine nominative singular

This agreement shows that timidus means timid or fearful and belongs with puer: the timid boy.

The preposition ad means to or toward, especially with movement. Since the boy is running to his mother, Latin uses:

• ad
  • accusative

So:

• ad matrem = to the mother

If you used only matrem without ad, it would not naturally express this idea of movement toward someone in this sentence.

Matrem is accusative because it follows the preposition ad, and ad takes the accusative case.

The dictionary form is mater (mother), but in the accusative singular it becomes matrem.

So:

• mater = nominative singular
• matrem = accusative singular

This is a very common pattern in Latin: many prepositions require a specific case.

This is an important contrast:

• ad matrem = to his mother → shows motion toward
• apud eam = with her / in her presence / at her place → shows location or proximity

So the sentence means:

• he runs to his mother
• because with her he finds protection

Latin uses different prepositions because the two ideas are different:

• ad = movement toward
• apud = being with, near, in the presence of

Latin often uses a pronoun where English might repeat the noun. Eam means her, and here it clearly refers back to matrem.

So instead of saying:

• apud matrem again

Latin says:

• apud eam = with her

This avoids repetition and sounds natural.

Because apud takes the accusative case, and the accusative singular feminine form of ea (she / her) is eam.

So:

• ea = nominative, she
• eam = accusative, her

Since apud requires the accusative, eam is the correct form.

In this sentence, apud means something like:

• with
• in the presence of
• at the home of
• near

So apud eam praesidium invenit means that the boy finds safety with her, that is, in his mother’s presence or care.

It does not mean simple possession like her protection. The idea is that being with her gives him safety.

Praesidium can mean:

• protection
• safety
• defense
• refuge
• sometimes even a body of troops in other contexts

Here it means protection or refuge.

Grammatically, praesidium is a neuter noun in the accusative singular, and it is the direct object of invenit:

• he finds protection

Yes, invenit literally means finds. But in Latin, just as in English, find can also mean finds for himself / discovers / obtains / comes upon.

So praesidium invenit does not have to mean that protection was physically lying there and he spotted it. It means he finds or gets safety with his mother.

That is a very natural use of invenire.

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

• Puer timidus ad matrem currit = the timid boy runs to his mother
• quia apud eam praesidium invenit = because with her he finds protection

So the second part explains why he runs to her.

Both verbs are 3rd person singular present active indicative:

• currit = he runs
• invenit = he finds

They are present because the sentence is describing a general or vivid present-time action: the boy runs to his mother because he finds safety with her.

In many teaching sentences, Latin uses the present tense where English might also naturally use the present:

• The boy runs to his mother because he finds protection with her.

In Latin, the verb ending often tells you the subject.

Invenit ends in -it, which here means he/she/it in the present tense. Since the main subject of the sentence is puer, we understand:

• puer ... invenit = the boy ... finds

Latin does not need to add a separate pronoun like he unless it wants special emphasis.

Latin word order is relatively flexible because the case endings show the grammatical relationships.

So this sentence could be rearranged in various ways without changing the basic meaning, for example:

• Puer timidus ad matrem currit, quia apud eam praesidium invenit.
• Ad matrem puer timidus currit, quia praesidium apud eam invenit.
• Quia apud eam praesidium invenit, puer timidus ad matrem currit.

However, different word orders can slightly change the emphasis. The original version is straightforward and natural for a learner.

In principle, a pronoun can sometimes be ambiguous. But here the most natural antecedent is matrem, because:

• it is the nearest suitable feminine singular noun
• the meaning fits perfectly: the boy finds protection with his mother

So in this sentence, eam is understood as his mother.

Latin often leaves possession implied when the context makes it obvious.

So ad matrem currit can naturally mean he runs to his mother, even without suam.

If Latin wanted to emphasize the reflexive idea, it could say ad suam matrem, but that is not necessary here. The simple ad matrem is perfectly normal.