Kesho nitaenda posta kununua stempu, na karani ataweka muhuri wa posta juu ya bahasha.

nitaenda breaks down as:

• ni- = I
• -ta- = future tense marker
• -enda = go

So nitaenda means I will go.

This is very typical Swahili verb structure: subject prefix + tense marker + verb stem.

Kesho means tomorrow, and Swahili often places time words near the beginning of a sentence for emphasis or clarity.

So Kesho nitaenda... is a very natural way to say Tomorrow I will go...

You could sometimes move kesho elsewhere, but putting it first is common and sounds natural.

After verbs of motion like kwenda / enda (to go), Swahili often names the destination directly, without adding a separate word like English to.

So:

• nitaenda posta = I will go to the post office

Here, posta functions as the destination.

In this sentence, posta means the post office.

Swahili posta can also refer more generally to post/mail/postal service, so the exact meaning depends on context. In nitaenda posta, it clearly means the post office. In muhuri wa posta, it means something like postal or of the post office.

kununua is the infinitive to buy.

After a verb of motion, Swahili commonly uses an infinitive to show purpose:

• nitaenda posta kununua stempu
• literally: I will go post office to buy stamps

So kununua stempu explains why the speaker is going there.

They are two different things:

• stempu = a postage stamp
• muhuri wa posta = a postal mark / postmark / postal seal

So in the sentence:

• first, the speaker goes to buy a stamp
• then the clerk puts a postal mark/seal on the envelope

That distinction is important.

ataweka breaks down as:

• a- = he/she
• -ta- = future tense marker
• -weka = put / place

So ataweka means he/she will put or he/she will place.

In this sentence, the subject is karani, so it means the clerk will put/place.

Because Swahili usually includes the subject inside the verb itself.

In ataweka, the prefix a- already means he/she. Since the noun karani is also present, the subject is already clear:

• karani ataweka = the clerk will put

Swahili does not need an extra separate pronoun here.

wa is a linking word often translated as of.

So:

• muhuri wa posta = stamp/seal of the post office
• more naturally: postal mark or post office stamp

This -a connector changes form to agree with the noun before it. Here it appears as wa because it agrees with muhuri.

juu ya means on, on top of, or on the surface of.

So:

• juu ya bahasha = on the envelope

This is a natural way to describe putting a mark on the outside surface of the envelope.

A learner may also see kwenye bahasha in other contexts, but juu ya bahasha specifically emphasizes the surface/top of the envelope.

Yes. In this sentence, na means and and joins the two clauses:

• Kesho nitaenda posta kununua stempu
• na karani ataweka muhuri wa posta juu ya bahasha

In other contexts, na can also mean with, so its meaning depends on how it is used.

karani means clerk.

In this context, because the sentence is about the post office, it means a postal clerk or post office clerk.

So it does not have to mean that the word itself is specifically postal; the context gives it that meaning.

A few helpful pronunciation notes:

• Kesho → KEH-sho
• nitaenda → nee-ta-EN-da
• posta → POHS-ta
• kununua → koo-noo-NOO-a
• stempu → STEM-poo
• karani → ka-RA-nee
• ataweka → a-ta-WE-ka
• muhuri → moo-HOO-ree
• bahasha → ba-HA-sha

A useful general rule: Swahili vowels are usually pronounced clearly and consistently, and most letters are sounded.