Este összecsomagolunk.

Este means in the evening or tonight, depending on context.

In this sentence, it works as a time expression:

• Este összecsomagolunk. = We’ll pack in the evening / tonight.

A useful thing to notice is that Hungarian often uses simple time words like this without a preposition such as in or at.

Because Hungarian verb endings usually already show the subject.

In összecsomagolunk, the ending -unk means we. So the subject pronoun mi is not necessary.

Compare:

• összecsomagolok = I pack / I will pack
• összecsomagolsz = you pack / you will pack
• összecsomagolunk = we pack / we will pack

You can add mi for emphasis, but normally you do not need it:

• Mi este összecsomagolunk. = We will pack tonight.
  This sounds more emphatic, like we in particular.

It has three main parts:

• össze- = a verbal prefix meaning something like together, up, or completely
• csomagol = pack
• -unk = we

So:

• csomagolunk = we pack
• összecsomagolunk = we pack up / we get everything packed together

The prefix össze- often adds a sense of collecting things together into a finished whole.

In Hungarian, verbal prefixes are often attached directly to the verb in a neutral statement.

So the normal form is:

• Este összecsomagolunk.

But in some sentence types, the prefix can separate from the verb, especially with:

• negation
• focus
• certain auxiliary-like structures

For example:

• Nem csomagolunk össze este. = We’re not packing up in the evening.

So the attached form here is completely normal.

Formally, it is present tense, but Hungarian very often uses the present tense to talk about the future when the time is clear from context.

Because the sentence includes este (tonight / in the evening), it naturally refers to a future action:

• Este összecsomagolunk. = We’ll pack tonight.

This is very common in Hungarian. You do not always need a separate future form like English will.

Usually it is closer to pack up or get everything packed than just plain pack.

• csomagolni = to pack
• összecsomagolni = to pack up, to gather and pack everything together

Depending on context, it could mean:

• packing suitcases
• packing belongings
• packing things away before leaving

So the prefix gives it a slightly more completed, gathered-together feeling.

Because Hungarian word order is quite flexible, and the beginning of the sentence often highlights what is most important or what sets the scene.

Starting with este puts the time first:

• Este összecsomagolunk. = Tonight, we’ll pack.

This is a very natural order when you want to establish when something happens.

You could also hear:

• Összecsomagolunk este.

That is also grammatical, but the version with este first sounds very natural if the time frame is what you want to introduce first.

In theory, the present tense can sometimes describe repeated actions, but in this exact sentence the most natural reading is a specific future plan:

• Este összecsomagolunk. = We’ll pack tonight.

If you wanted a more habitual meaning, context would usually make that clearer, or the sentence might be phrased differently.

So for a learner, the best default interpretation here is:

• Tonight we’re packing / We’ll pack tonight.

These forms are related but not identical:

• este = in the evening / tonight
• estén = on the evening of... / in the evening in a somewhat more marked or formal way in some contexts
• estére = by evening / for the evening

Examples:

• Este indulunk. = We’re leaving tonight.
• Hétfő estén ... = On Monday evening ...
• Estére kész lesz. = It will be ready by evening.

In your sentence, este is the normal and natural choice.

A rough pronunciation guide:

• Este ≈ ESH-teh
• összecsomagolunk ≈ UR-sseh-cho-ma-go-loonk

A few useful pronunciation notes:

• Hungarian stress is normally on the first syllable of each word:
  • ES-te
  • ÖS-sze-cso-ma-go-lunk
• sz is pronounced like English s
• cs is pronounced like English ch
• ö is a rounded vowel, somewhat like the vowel in German schön or French peu

It is the indefinite conjugation.

Hungarian verbs have two main conjugation patterns:

• indefinite
• definite

Here, there is no definite direct object stated, so Hungarian uses the indefinite form:

• összecsomagolunk

If there were a definite object, the verb form could change. For example:

• Összecsomagoljuk a bőröndöt. = We pack the suitcase.

So in your sentence, the action is presented without a specific stated object.

Yes. In many contexts, both are good translations.

Because Hungarian uses present tense for planned future events, English can translate it in different natural ways:

• We’ll pack tonight.
• We’re packing tonight.

Which one sounds better depends on the context, but both can match the Hungarian sentence well.