في الأصيص تربة.

Because Arabic often leaves out the present-tense verb to be.

So في الأصيص تربة literally looks like in the pot soil, but the natural meaning is There is soil in the pot or There is soil in the flowerpot.

This is very normal in Arabic. In the present tense, Arabic often does not need a separate word for is, are, or there is.

It is a nominal sentence in Arabic, not a verbal one.

A simple grammar breakdown is:

• في الأصيص = a prepositional phrase, functioning as the predicate first
• تربة = the delayed subject

In traditional Arabic grammar terms, you may see:

• في الأصيص = خبر مقدّم
• تربةٌ = مبتدأ مؤخّر

This structure is very common for expressing existence or location.

Because Arabic usually does not like to begin a sentence with an indefinite noun unless there is a special reason.

Here, تربة means soil in an indefinite sense, so starting with it would be less natural. By putting the location first:

• في الأصيص تربة

Arabic gets a natural existential meaning:

• There is soil in the pot

So the word order helps both the grammar and the meaning.

It is indefinite because the sentence is introducing the presence of soil, not talking about some specific, already-known soil.

So:

• تربةٌ = soil / some soil

If you changed it to التربة, the meaning would change. Then it would mean something more like:

• the soil is in the pot

That sounds like you are talking about a specific, known soil, not just stating that soil is present.

Because الأصيص has الـ, so it means the pot or the flowerpot.

That usually suggests a specific pot, or a pot already understood from context.

Compare:

• في الأصيصِ تربةٌ = There is soil in the pot
• في أصيصٍ تربةٌ = There is soil in a pot

So the definite article works much like the in English.

The expected fully inflected form is:

• في الأصيصِ تربةٌ

Here is why:

• في is a preposition, so الأصيص must be genitive: الأصيصِ
• تربة is the delayed subject, so it is nominative: تربةٌ

So even though the sentence begins with the prepositional phrase, تربةٌ is still the noun in the nominative case.

Because normal Arabic writing usually leaves out short vowels and tanwīn.

So in everyday writing, you often see:

• تربة

even though the fully vowelled grammatical form would be:

• تربةٌ

This is completely normal. Arabic learners should get used to the fact that case endings are often understood from grammar, even when they are not written.

No. في الأصيص is a prepositional phrase, not the subject.

The noun تربة is the main noun of the sentence grammatically. In traditional analysis, it is the delayed subject.

So:

• في الأصيص = where something is
• تربةٌ = the thing that exists there

That is why the sentence means There is soil in the pot.

Yes.

Arabic can also express this idea with a verb meaning there exists / there is, for example:

• توجد تربةٌ في الأصيص
• يوجد في الأصيص تربةٌ

These are understandable, but في الأصيص تربةٌ is shorter and very natural, especially in simple descriptive Arabic.

Because تربة is feminine singular, توجد matches it more directly than يوجد if the noun is the grammatical subject.

Both can relate to soil/earth, but they are not always exactly the same.

A useful beginner-level distinction is:

• تربة often means soil, especially as a material for planting or growing
• تراب often means dirt, dust, or earth more generally

So in the context of a flowerpot, تربة is a very suitable word, because it suggests the kind of soil you would put in a pot.

It may be understandable, but it is less natural as a neutral statement.

The main reason is that تربة is indefinite, and Arabic usually avoids beginning a sentence with an indefinite noun unless there is some special context.

So the given order:

• في الأصيص تربة

is the more natural basic way to say:

• There is soil in the pot

That word order gives the sentence a clear existential sense.