Baada ya chakula cha mchana, mama aliweka mabaki kwenye jokofu.

Baada ya means after. It is a very common Swahili phrase made of baada + ya + a noun.

So here, baada ya chakula cha mchana means after lunch.

You can use the same pattern with many nouns:

• baada ya kazi = after work
• baada ya shule = after school
• baada ya safari = after the trip

Swahili often expresses meal names descriptively. Chakula cha mchana literally means food of midday/daytime, which is the normal way to say lunch.

The parts are:

• chakula = food, meal
• mchana = daytime, noon, afternoon
• cha = a linking word meaning something like of, agreeing with chakula

So instead of one separate word like English lunch, Swahili commonly uses this phrase.

Cha is a genitive/possessive linker. It connects two nouns and often works like of in English.

So:

• chakula cha mchana = meal/food of midday = lunch

The form cha is used because chakula belongs to a noun class that takes cha as its linker.

You will see similar patterns with other noun classes:

• kitabu cha mtoto = the child’s book / book of the child
• nyumba ya mwalimu = the teacher’s house
• vyakula vya asubuhi = morning foods

So cha is not random; it agrees with the noun before it.

Aliweka can be broken down as:

• a- = he/she
• -li- = past tense
• -weka = put, place

So aliweka means he/she put or he/she placed.

This is a very useful Swahili pattern:

• anaweka = he/she is putting
• ataweka = he/she will put
• aliweka = he/she put

Because mama refers to a person, it takes the normal class 1 singular subject marker a-, the same one used for he/she.

So:

• mama aliweka = mother/mom put
• mtoto aliweka = the child put
• mwalimu aliweka = the teacher put

Even though mama does not visibly begin with m- like some other person nouns, it still behaves like a singular human noun in agreement.

If it were plural, you would usually get wa-:

• wamama waliweka = the mothers put

Mabaki is plural in form and usually means leftovers, remains, or the rest of something.

In everyday usage, it is very common to use mabaki as a plural idea, especially for leftover food.

Examples:

• mabaki ya chakula = food leftovers
• mabaki ya wali = leftover rice

So in this sentence, mabaki refers to the leftover food that was put in the fridge.

Kwenye is a very common locative word that can mean in, on, at, or to, depending on context.

With jokofu, kwenye jokofu is naturally understood as in the fridge.

Since the verb weka involves placing something somewhere, kwenye here gives the destination/location where the leftovers were put.

You may also hear:

• katika jokofu = in the fridge
• ndani ya jokofu = inside the fridge

All can work, but kwenye jokofu is very natural and common.

Yes, jokofu belongs to a noun class, like all Swahili nouns. In practice, what matters most for a learner is noticing how other words agree with it when needed.

For this sentence, you do not need much extra agreement, because jokofu comes after kwenye and does not force a lot of visible changes.

At an early stage, it is usually enough to learn:

• jokofu = fridge/refrigerator
• kwenye jokofu = in the fridge

Later, as you learn more noun-class agreement, you can pay more attention to how nouns like jokofu behave in longer sentences.

Swahili does not have articles like English a/an and the.

That means a noun like mama can mean:

• mother
• the mother
• mom

And jokofu can mean:

• a fridge
• the fridge

The exact meaning comes from context. In this sentence, the context makes it natural to understand mama as mom/the mother and jokofu as the fridge.

Yes. Swahili word order is fairly flexible, though the version in the sentence is very natural.

Current order:

• Baada ya chakula cha mchana, mama aliweka mabaki kwenye jokofu.

This starts with a time phrase, then gives:

• subject = mama
• verb = aliweka
• object = mabaki
• location = kwenye jokofu

You could also say:

• Mama aliweka mabaki kwenye jokofu baada ya chakula cha mchana.

That also works, but it places the time information at the end instead of the beginning.

Often, yes. In context, mama can naturally mean mom/my mother, even without explicitly saying mama yangu.

Swahili frequently leaves possession understood when the relationship is obvious.

So:

• Mama aliweka mabaki kwenye jokofu can very naturally mean Mom put the leftovers in the fridge.

If you want to be extra explicit, you can say:

• Mama yangu aliweka mabaki kwenye jokofu = My mother put the leftovers in the fridge.

Both are correct; the shorter version is very common in normal speech.