Cum pluvia sordes in pavimento reliquisset, serva iterum pavimentum purgare coacta est.

Here cum introduces a subordinate clause: Cum pluvia sordes in pavimento reliquisset.

In Latin, cum can mean different things depending on context, such as:

• when
• since
• although

In this sentence, it is most naturally when or after, introducing the background situation before the main action happened.

So the structure is:

• cum-clause = the earlier/background action
• main clause = what happened as a result or afterwards

That is why the sentence starts with the rain leaving dirt, and then moves to the slave woman being forced to clean the floor again.

Because after cum, Latin often uses the subjunctive when the clause gives background circumstances rather than simply a bare date-like when.

So:

• reliquisset = pluperfect subjunctive
• it appears in a cum clause of circumstance

This is very common in Latin narrative.

A learner may expect an indicative form such as reliquerat, but Latin often prefers:

• cum + subjunctive for background or contextual action
• especially in past narration

So cum pluvia sordes... reliquisset means something like:

• when/after the rain had left dirt...

with the sense of setting the scene for the main clause.

Reliquisset is:

• 3rd person singular
• pluperfect
• subjunctive
• active
• from relinquo, relinquere, reliqui, relictum = leave behind

So it means:

• had left

Why 3rd person singular? Because its subject is pluvia = the rain, which is singular.

This is a very common question.

Sordes is a Latin noun that is often plural in form, even when English would naturally use a singular word like dirt, filth, or mess.

So:

• sordes = dirt / filth / grime
• grammatically plural in Latin

That means you may see plural forms even when the English translation sounds singular.

Here sordes is the direct object of reliquisset, so it is accusative plural in form.

A native English speaker may find this odd, but Latin and English do not always divide up reality the same way. Latin treats this kind of mess as multiple dirty things or bits of filth, where English often just says dirt.

Because the two phrases are doing different jobs.

1. in pavimento

This means on the floor or on the pavement/flooring.

Here in takes the ablative because it indicates location:

• in pavimento = on the floor

2. pavimentum purgare

Here pavimentum is the direct object of purgare:

• purgare pavimentum = to clean the floor

So the cases are different because the functions are different:

• pavimento = ablative after in, showing place
• pavimentum = accusative as the object of purgare

The subject is pluvia.

So the clause means:

• pluvia ... reliquisset = the rain had left...

This may feel slightly unusual in English, because we might say:

• the rain had left dirt
• or rain had made the floor dirty

But in Latin this is perfectly straightforward: pluvia is the thing causing the mess and is treated as the grammatical subject.

Coacta est is:

• 3rd person singular
• perfect
• passive
• from cogo, cogere, coegi, coactum = force, compel

So coacta est means:

• was forced

It is made of two parts:

• coacta = perfect passive participle
• est = is/was here helping form the perfect passive

Together: coacta est = she was forced

Because it agrees with serva, which is feminine singular.

• serva = slave woman / maidservant
• feminine singular nominative

The perfect passive participle must agree with the subject in:

• gender
• number
• case

So we get:

• coacta est = she was forced

If the subject were masculine singular, it would be coactus est. If it were neuter singular, coactum est. If plural feminine, coactae sunt, and so on.

Purgare is an infinitive, and it depends on coacta est.

This is a common Latin pattern:

• aliquis coactus est + infinitive
• someone was forced to do something

So here:

• serva ... coacta est = the slave woman was forced
• pavimentum purgare = to clean the floor

Put together:

• serva pavimentum purgare coacta est = the slave woman was forced to clean the floor

This is similar to English was forced to clean.

Iterum means again, and it modifies the action of cleaning:

• pavimentum purgare = to clean the floor
• iterum pavimentum purgare = to clean the floor again

So the idea is that the floor had already been cleaned before, but because the rain made it dirty, the slave woman had to clean it another time.

Because serva is the subject of the main clause.

The main clause is:

• serva iterum pavimentum purgare coacta est

The one being forced is the slave woman, so she is the subject and must be in the nominative.

A useful way to see the structure is:

• Cum ... reliquisset = subordinate clause
• serva ... coacta est = main clause

So:

• serva = nominative subject
• pavimentum = accusative direct object of purgare

Because its action happened before the action of the main clause.

Sequence of events:

1. the rain had left dirt on the floor
2. the slave woman was forced to clean the floor again

The pluperfect is the natural tense for an action that was already completed before another past action.

So:

• reliquisset = had left
• coacta est = was forced

This helps Latin show the order of events clearly.

It may feel unusual to an English speaker, but it is normal Latin word order.

Latin often places:

• the subordinate clause first
• the main verb near the end
• the infinitive before the passive verb in expressions like coacta est

So:

• Cum pluvia sordes in pavimento reliquisset = background first
• serva iterum pavimentum purgare coacta est = main action after

A more English-like order would be something like:

• The slave woman was forced to clean the floor again after the rain had left dirt on it

But Latin prefers a different arrangement, and the case endings make the relationships clear even when the order differs from English.

Grammatically, cum can sometimes mean since or although, but in this sentence when/after is the best fit.

Why?

Because the clause mainly gives the circumstance that led up to the cleaning:

• the rain had left dirt
• then the slave woman had to clean again

A causal sense like since the rain had left dirt... is not impossible in theory, but it is less natural here than a temporal-background sense.

An adversative sense like although does not fit the meaning well.

So the best understanding is:

• when
• or after

Because the two parts express two different actions involving the same thing.

• sordes in pavimento reliquisset = the dirt was left on the floor
• pavimentum purgare = to clean the floor

Even though English might sometimes avoid repetition, Latin often states both relations clearly.

So the sentence is not awkward Latin. It simply says:

• where the dirt ended up
• and what object had to be cleaned

That repetition makes the logic of the sentence explicit.