Watoto walirudi nyumbani wakiwa na tope kwenye viatu baada ya kucheza nje.

A natural breakdown is:

• Watoto = children
• walirudi = they returned
  • wa- = subject prefix for they (for people, noun class 2)
  • -li- = past tense
  • -rudi = return / go back
• nyumbani = home
• wakiwa = while being / while they were
  • wa- = they
  • -ki- = a marker often used for an action or state happening at the same time
  • -wa = be
• na = with / having
• tope = mud
• kwenye viatu = on the shoes / in the shoes area
  • kwenye = on / in / at
  • viatu = shoes
• baada ya = after
• kucheza = to play / playing
• nje = outside

So the structure is roughly:
Children returned home, being with mud on their shoes, after playing outside.

Because Swahili verbs often pack several pieces of information into one word.

In walirudi:

• wa- = they (for people)
• -li- = past tense
• -rudi = return

So walirudi literally works like they-past-return.

This is very common in Swahili. Instead of using a separate word for they, the verb usually includes the subject.

Both forms refer back to watoto (children), so both need agreement with that noun.

• watoto is a plural human noun
• plural humans typically use the wa- agreement pattern

So:

• walirudi = they returned
• wakiwa = while they were / being

English does not repeat this kind of agreement as clearly, but Swahili often does.

It means something like:

• while they had mud
• being with mud
• more naturally in English: with mud

So wakiwa na tope kwenye viatu describes the condition the children were in when they came home.

A very literal reading is:

• wakiwa = while they were being
• na = with / having
• tope = mud

In natural English, we would usually say with mud on their shoes, not being with mud on their shoes.

In this sentence, -ki- marks a simultaneous situation or action. It often gives the sense of:

• while
• as
• when

So wakiwa comes from:

• wa- = they
• -ki- = while / as
• -wa = be

That gives the idea while they were.

This construction is very useful in Swahili for background information:

• Alikuja akiwa amechoka. = He came while tired / He came tired.
• Waliondoka wakiwa na furaha. = They left happy / while they were happy.

Nyumbani means at home / homeward / to home, while nyumba just means house.

The ending -ni is a locative ending, often giving a sense like:

• in
• at
• to

So:

• nyumba = house
• nyumbani = at home / home

In this sentence, walirudi nyumbani means they returned home.

Kwenye is a very common locative word in Swahili. Depending on context, it can mean:

• in
• on
• at
• into

Here, kwenye viatu means on the shoes.

Swahili often uses locative expressions more flexibly than English. Instead of needing a single exact preposition like on, it can use a locative form that English then translates according to context.

So:

• tope kwenye viatu = mud on the shoes

Yes. Viatu is the plural of kiatu:

• kiatu = shoe
• viatu = shoes

This is part of Swahili’s noun class system:

• singular ki-
• plural vi-

Some examples:

• kitabu = book
• vitabu = books
• kiatu = shoe
• viatu = shoes

So kwenye viatu means on the shoes, not on the shoe.

Swahili very often uses baada ya + infinitive to mean after doing something.

So:

• baada ya = after
• kucheza = to play / playing

Together:

• baada ya kucheza = after playing

This is a very normal and natural structure in Swahili.

You could think of it as similar to English after playing, though English also often says after they played. Swahili often prefers the infinitive structure here.

Because after baada ya, Swahili commonly uses the infinitive form rather than marking a full subject and tense.

So kucheza does not explicitly say they played inside the word. Instead, the subject is understood from the sentence context: it is the same watoto.

This is very common:

• baada ya kula = after eating
• baada ya kusoma = after reading / studying
• baada ya kucheza = after playing

Even without a subject marker on kucheza, the meaning is still clear.

Here, na means with.

Swahili na can mean different things depending on context, including:

• and
• with
• have in certain structures

In wakiwa na tope, it means with / having.

So this is not:

• they were and mud

It is:

• they were with mud
• more natural English: they had mud

Nje means outside.

It appears at the end of baada ya kucheza nje:

• baada ya = after
• kucheza = playing
• nje = outside

So together: after playing outside.

Its position is normal. In Swahili, adverbs like nje often come after the verb or verbal noun they describe.

Yes. The core meaning stays the same, but English allows several natural versions:

• The children came back home with mud on their shoes after playing outside.
• The children returned home with muddy shoes after playing outside.
• After playing outside, the children returned home with mud on their shoes.

All of these match the Swahili sentence well.

The Swahili original is especially good at stacking information smoothly:

1. main action: walirudi nyumbani = they returned home
2. condition: wakiwa na tope kwenye viatu = with mud on their shoes
3. time/background: baada ya kucheza nje = after playing outside

The main verb is walirudi = they returned.

Everything else adds extra information:

• nyumbani = where they returned
• wakiwa na tope kwenye viatu = what condition they were in
• baada ya kucheza nje = when / after what activity

So if you strip the sentence down to its core, you get:

• Watoto walirudi nyumbani.
• The children returned home.

The rest describes the circumstances.

Some rearrangement is possible, especially for emphasis, but the original order is very natural.

For example, Swahili could also put the time phrase first:

• Baada ya kucheza nje, watoto walirudi nyumbani wakiwa na tope kwenye viatu.

That means the same thing:
After playing outside, the children returned home with mud on their shoes.

So the word order is flexible to a degree, but the original version is clear and idiomatic.