La livero alvenos morgaŭ.

La is the definite article, so it means the. Esperanto has only one article: la. It does not change for gender, number, or case.

So:

• la livero = the delivery
• livero = delivery / a delivery, depending on context

Esperanto does not have a separate word for a/an.

The ending -o marks a noun in Esperanto.

So:

• liver- = the root related to delivering
• livero = delivery

This is a very common Esperanto pattern:

• -o = noun
• -a = adjective
• -e = adverb
• -i = infinitive verb

For example:

• alveni = to arrive
• alveno = arrival

In Esperanto, verb tense is shown by the verb ending.

For alvenos:

• alveni = to arrive
• -os = future tense

So alvenos means will arrive.

Common verb endings are:

• -as = present
• -is = past
• -os = future
• -us = conditional
• -u = command / wish
• -i = infinitive

So:

• alvenas = arrives / is arriving
• alvenis = arrived
• alvenos = will arrive

Because Esperanto usually builds tense directly into the verb ending instead of using an extra helper word.

English:

• will arrive

Esperanto:

• alvenos

So one word in Esperanto can express what takes two words in English.

Morgaŭ means tomorrow, and here it functions as an adverb of time.

It tells you when the delivery will arrive.

Esperanto often uses time words like this directly as adverbs:

• hodiaŭ = today
• hieraŭ = yesterday
• morgaŭ = tomorrow

So La livero alvenos morgaŭ literally means The delivery will arrive tomorrow.

Yes. Esperanto word order is fairly flexible, especially with adverbs like morgaŭ.

These are all possible:

• La livero alvenos morgaŭ.
• Morgaŭ la livero alvenos.
• La livero morgaŭ alvenos.

The most neutral version is probably La livero alvenos morgaŭ, but the others are also grammatical. Changing the order can slightly change emphasis.

Because there is no direct object here.

In this sentence:

• la livero is the subject
• alvenos is the verb
• morgaŭ is an adverb of time

The accusative -n is usually used for a direct object, and sometimes for motion or time expressions in other contexts. But here:

• nobody is being delivered
• nothing is receiving the action of the verb

So no accusative is needed.

Usually livero means delivery as an event, service, or shipment, not necessarily the physical package itself.

Depending on context, La livero alvenos morgaŭ could be understood as:

• the delivery shipment will arrive tomorrow
• the ordered delivery will come tomorrow

If you specifically wanted to talk about the physical package, you might also see words like pakaĵo (package). But livero is natural if the focus is on the delivery itself.

It follows a simple pattern:

Subject + verb + time expression

• La livero = subject
• alvenos = verb
• morgaŭ = time adverb

So the sentence structure is very straightforward: The delivery / will arrive / tomorrow.

A simple approximate pronunciation is:

mor-GOW

with the stress on gaŭ, because Esperanto normally stresses the second-to-last syllable.

A few helpful points:

• morgaŭ has two syllables: mor-gaŭ
• aŭ sounds like a diphthong, roughly like ow in cow

So:

• morgaŭ ≈ mor-GOW

Yes, you could, but it is slightly less specific.

• veni = to come
• alveni = to arrive

So:

• La livero venos morgaŭ = The delivery will come tomorrow
• La livero alvenos morgaŭ = The delivery will arrive tomorrow

Alveni focuses more clearly on reaching the destination, so it is often the better choice here.