Chakula kikiiva, niite.

Because the two kis are doing different jobs:

• ki- = the subject agreement prefix for chakula
• -ki- = a tense/linking marker meaning if/when
• -iva = the verb stem, here meaning be cooked / become ready

So kikiiva breaks down as:

ki-ki-iva = it-when-cook

That is why you see ki twice in a row.

It can mean either, depending on context.

In Swahili, -ki- often introduces a clause like:

• if ...
• when ...
• sometimes even while ...

In this sentence, because the food is expected to finish cooking, English usually translates it as when:

Chakula kikiiva, niite. = When the food is cooked, call me.

If the situation were less certain, it could feel more like if.

Because chakula belongs to noun class 7 in the singular, and class 7 uses ki- for agreement.

So:

• chakula = singular
• class 7 agreement = ki-

That is why you get ki-ki-iva, not some other agreement prefix.

Its plural is vyakula, and that would take vi- agreement instead.

That is a very good question. -iva can mean ripen, become mature, or more generally be ready/done.

With food, it often means:

• be cooked
• be done
• be ready

So in this sentence, kikiiva does not mean the food is literally ripening like fruit. It means the food has reached the ready/cooked stage.

Niite can be broken down like this:

• ni- = me
• -it- / -ita = call
• -e = subjunctive ending

So niite means call me.

The subject you is not stated, because in commands it is normally understood. So the sentence is addressing one person:

Call me.

Because in Swahili, object pronouns are usually attached directly to the verb.

So the natural way to say call me is:

niite

Using mimi is possible, but it adds emphasis:

• niite = call me
• niite mimi = call me, specifically me

So niite is the normal, everyday form.

The -e ending is the subjunctive form, and Swahili commonly uses this form in commands like this, especially when an object prefix is present.

Compare:

• ita! = call!
• niite! = call me!

So niite is the normal way to say call me.

Because Swahili often builds meanings like when, if, or while directly into the verb, instead of using a separate word.

In English, you need a separate word:

When the food is cooked, call me.

In Swahili, that idea is carried by -ki- inside kikiiva.

So the sentence is compact, but grammatically complete.

Pronounce all the vowels clearly.

niite is roughly:

nee-EE-teh

More exactly, the vowels are separate:

• ni-i-te

Do not pronounce it like an English word with a diphthong. Swahili vowels stay pure and clear.

The comma marks a natural pause:

Chakula kikiiva, niite.

It works like English:

When the food is cooked, call me.

The time/condition clause comes first, which is very natural in Swahili. You may sometimes hear similar ideas with the order changed, but this version is clear and idiomatic. The comma helps show the structure in writing.