La nova aranĝo helpas la pacienton.

In Esperanto, adjectives end in -a. So nova means new.

Adjectives also agree with the nouns they describe in:

• number: singular or plural
• case: especially whether something is in the accusative

Here, aranĝo is singular and not accusative, so the adjective stays nova.

Aranĝo is a noun built from:

• the root aranĝ-
• the noun ending -o

So aranĝo is literally an arrangement / a setup / an organization, depending on context.

A related verb is aranĝi, meaning to arrange.

Helpas is the present tense form of helpi, which means to help.

In Esperanto:

• -i = infinitive, so helpi = to help
• -as = present tense, so helpas = helps or is helping

So La nova aranĝo helpas... means The new arrangement helps...

Because la pacienton is the direct object of the verb helpas.

Esperanto marks a direct object with -n. This is called the accusative ending.

So:

• la paciento = the patient as a subject
• la pacienton = the patient as a direct object

In this sentence:

• La nova aranĝo = the thing doing the helping
• la pacienton = the one being helped

Because aranĝo is the subject, not the direct object.

The subject is the thing that performs the action. Here, the arrangement is doing the helping, so it stays aranĝo without -n.

Only the direct object gets -n here, so we have la pacienton.

Yes. Normally, when you help a person in Esperanto, you use helpi iun = to help someone.

So:

• Mi helpas la pacienton. = I help the patient.

A learner might expect a preposition like al, but with a person being helped, Esperanto normally uses the direct object.

Yes, Esperanto word order is fairly flexible, because the -n ending helps show what the object is.

So these can mean the same thing:

• La nova aranĝo helpas la pacienton.
• La pacienton helpas la nova aranĝo.

However, the first version is the most straightforward and natural for beginners: subject + verb + object

A rough guide:

• aranĝo ≈ ah-RAHN-zho
• pacienton ≈ pa-tsee-EN-ton

A few useful points:

• ĝ sounds like the s in measure
• c sounds like ts
• stress in Esperanto usually falls on the second-to-last syllable

So:

• a-RAN-ĝo
• pa-ci-EN-ton

Esperanto has la for the, but it has no separate word for a/an.

So:

• paciento can mean a patient or just patient, depending on context
• la paciento means the patient

In this sentence, la shows that both the arrangement and the patient are specific.

Both nouns and adjectives can become plural with -j, and direct objects still take -n.

For example:

• La novaj aranĝoj helpas la pacientojn. = The new arrangements help the patients.

Changes:

• nova → novaj for plural adjective
• aranĝo → aranĝoj for plural noun
• pacienton → pacientojn for plural direct object

So Esperanto endings tell you a lot about the grammar.