Cum serva cubiculum purgaret, filia sordes e pavimento colligebat.

Here cum means when or while.

In this sentence, it introduces a subordinate clause:

Cum serva cubiculum purgaret = while/when the slave woman was cleaning the room

This is not the preposition cum meaning with. You can tell because it is followed by a whole clause with a verb (purgaret), not by a noun in the ablative.

Because after cum, Latin often uses the imperfect subjunctive to give background information in past narration.

So:

• purgabat would simply mean was cleaning
• cum ... purgaret means something more like while she was cleaning or when she was cleaning, with the action serving as the setting for the main action

This is a very common construction called a cum clause. In narrative Latin, cum + subjunctive often gives the circumstances in which the main action happened.

Colligebat is imperfect because it describes an ongoing action in the past:

filia sordes e pavimento colligebat = the daughter was collecting dirt from the floor

The imperfect is often used for actions that were in progress, repeated, or descriptive in the past. Here both actions are happening at the same time:

• the slave woman was cleaning
• the daughter was collecting

So the imperfect fits both verbs well.

They are both connected with past ongoing action, but they do different grammatical jobs:

• purgaret = imperfect subjunctive, because it is inside a cum clause
• colligebat = imperfect indicative, because it is the main verb of the sentence

So the difference is not mainly in time, but in mood:

• subjunctive for the subordinate cum clause
• indicative for the main statement

Because they are the subjects of their verbs.

• serva is the subject of purgaret
• filia is the subject of colligebat

So:

• serva purgaret = the slave woman was cleaning
• filia colligebat = the daughter was collecting

The nominative is the normal case for the subject of a verb.

Because cubiculum is the direct object of purgaret.

The verb purgare means to clean, and what was being cleaned? The room.

So:

• cubiculum = the room
• accusative because it receives the action of the verb

This is a standard use of the accusative case.

Latin sordes is often used as a plural noun meaning dirt, filth, mess, or dirty things.

So even though English often uses dirt as an uncountable singular noun, Latin commonly uses sordes in the plural.

In this sentence, sordes is the direct object of colligebat, so it means something like:

• dirt
• filth
• bits of dirt
• mess

It is accusative plural in form, but in English we usually translate it more naturally as simply dirt.

Because the Latin means from the floor or off the floor, not the floor as a direct object.

The preposition e (or ex) means out of or from, and it takes the ablative case.

So:

• pavimentum = nominative/accusative form
• pavimento = ablative form
• e pavimento = from the floor

That is why the noun is ablative here.

The verb is colligo, colligere, collegi, collectum.

Its basic meaning is gather, collect, or pick up.

So colligebat means she was collecting or she was picking up.

This is a third-conjugation verb, and the -ebat ending is the normal imperfect ending for third-conjugation verbs.

The verb is purgo, purgare, purgavi, purgatum.

Its basic meaning is clean, clean out, or purify.

Purgaret is the imperfect subjunctive active, third person singular:

• stem from purgare
• subjunctive marker -re-
• personal ending -t

So purgaret means she was cleaning in this cum clause context.

Latin word order is much more flexible than English word order because the endings show how words function.

In English, word order does a lot of grammatical work:

• the daughter collected the dirt is different from the dirt collected the daughter

In Latin, the case endings already tell you what each noun is doing:

• filia = subject
• sordes = object
• pavimento = ablative after e

So Latin can arrange words for style, emphasis, or flow. This sentence is actually quite natural:

• subordinate clause first: Cum serva cubiculum purgaret
• main clause next: filia sordes e pavimento colligebat

Grammatically, cum can sometimes mean since, when, or although, depending on context.

But here while/when is the most natural choice, because the sentence describes two actions happening at the same time in the past:

• the slave woman was cleaning
• the daughter was collecting dirt

There is no strong idea of cause (since) or concession (although) here.

The literal meaning of serva is female slave.

Depending on context, some translations may choose a softer English word such as servant or maidservant, especially in reading material for beginners. But the core Latin word is connected with slavery, not free domestic service.

So grammatically it is simply the subject noun, but semantically it usually means female slave.

Because the sentence paints a scene in progress, not a single completed event.

The imperfect is good for:

• ongoing action
• background description
• simultaneous actions

So the sentence feels like:

While the slave woman was cleaning the room, the daughter was collecting dirt from the floor.

If Latin used perfect forms instead, the sense would be more like completed actions:

• cleaned
• collected

That would create a different picture.

The main clause is:

filia sordes e pavimento colligebat

You can tell because it can stand on its own as a complete sentence:

Filia sordes e pavimento colligebat.

The cum clause cannot stand on its own in the same way:

Cum serva cubiculum purgaret ...

It needs the main clause to complete the thought. That is why it is subordinate.

It has two parts:

1. Cum serva cubiculum purgaret
   a subordinate cum clause giving background circumstances

2. filia sordes e pavimento colligebat
   the main clause telling the main action

A good literal breakdown is:

• Cum = while/when
• serva = the slave woman
• cubiculum = the room
• purgaret = was cleaning
• filia = the daughter
• sordes = dirt / bits of dirt
• e pavimento = from the floor
• colligebat = was collecting

So the sentence is a nice example of a past background clause plus a main narrative clause.