Gestus pantomimi clarus est.

It is a very common Latin pattern:

• gestus pantomimi = the noun phrase
• clarus = a predicate adjective
• est = is

So the structure is:

• subject: gestus
• genitive dependent on the subject: pantomimi
• predicate adjective: clarus
• linking verb: est

In other words, Latin is saying:

• The gesture of the pantomime performer is clear / famous / noteworthy

The core frame is X clarus est = X is clear.

The subject is gestus.

Why?

• clarus is masculine singular nominative
• est is singular
• so the subject must also be singular nominative

That matches gestus.

So gestus is the thing being described as clarus.

Gestus is a fourth-declension noun. Its nominative singular is gestus.

That can feel strange at first, because many learners are most used to second-declension -us nouns such as servus. But gestus is not second declension here; it is fourth declension.

A useful point:

• nominative singular: gestus
• genitive singular: gestūs

If macrons are not written, both appear as gestus, so context has to tell you which one it is. In this sentence, context shows it is nominative singular, because it is the subject of clarus est.

Here pantomimi is genitive singular.

So it means:

• of the pantomime performer
• or more naturally in English, the pantomime performer’s

That is why gestus pantomimi means the gesture of the pantomime performer.

Formally, yes: pantomimi could also be nominative plural of pantomimus.

But in this sentence, that is not the best reading.

Why not?

• clarus is singular
• est is singular
• so the sentence is built around a singular subject

If pantomimi were nominative plural, you would expect something plural such as clari sunt.

So here pantomimi is understood as genitive singular, not nominative plural.

Because Latin usually shows relationships like of, belonging to, or possession by changing the case of the noun.

That is what the genitive does.

So instead of saying:

• gesture of the pantomime performer

Latin simply puts pantomimus into the genitive singular:

• pantomimi

This is one of the most important habits to learn in Latin: many meanings that English expresses with little words like of, to, by, or with are often expressed in Latin by case endings.

Because clarus agrees with gestus.

Since gestus is:

• masculine
• singular
• nominative

the adjective describing it must also be:

• masculine
• singular
• nominative

That gives clarus.

So this is an example of normal Latin agreement: adjectives match the nouns they describe in gender, number, and case.

Here it is a predicate adjective.

That means it is linked to the subject by est:

• gestus ... clarus est = the gesture ... is clear

This is slightly different from an attributive adjective, where the adjective sits inside the noun phrase more like the clear gesture.

Latin can express both ideas, but here the structure with est clearly makes clarus part of the predicate.

Latin word order is much more flexible than English word order.

English depends heavily on position:

• subject, then verb, then complement

Latin depends much more on endings.

So in Latin, the same basic idea could be arranged in different ways, for example:

• Gestus pantomimi clarus est
• Clarus est gestus pantomimi
• Gestus clarus est pantomimi
  though some orders are more natural than others depending on emphasis

In this sentence, the word order is perfectly normal. A learner should not assume that the first noun must always be translated first in a rigid English-like way; the endings tell you the relationships.

Est is the third-person singular present of esse, meaning to be.

Here it functions as a linking verb:

• gestus = subject
• clarus = description of the subject
• est = connects them

So the sentence means that the subject is something or is in some state.

Latin often uses esse just like English uses to be in sentences such as:

• Marcus laetus est = Marcus is happy
• Via longa est = The road is long

Yes. Clarus has a range of meanings depending on context, including:

• clear
• distinct
• famous
• renowned
• sometimes even bright

So in a sentence like this, the exact English wording depends on context.

If the idea is about visibility or expressiveness, clear or distinct makes sense.

If the context is about reputation, famous or renowned could fit.

This is very normal in Latin: one Latin adjective often covers several English possibilities.

They belong to different declensions:

• gestus, gestūs = fourth declension
• pantomimus, pantomimī = second declension

And the adjective:

• clarus, clara, clarum = a first-and-second-declension adjective

That mixture is completely normal in Latin. Agreement is not about declension class; it is about gender, number, and case.

So even though gestus is fourth declension, clarus can still agree with it perfectly because both are masculine singular nominative here.

Because the sentence is actually quite straightforward once you identify the cases:

• gestus = nominative singular subject
• pantomimi = genitive singular dependent on gestus
• clarus = nominative singular adjective agreeing with gestus
• est = singular verb

Everything points to one simple reading:

• The gesture of the pantomime performer is clear / famous

There is no sign here of a more complicated structure such as an omitted noun or a different subject.

It is a borrowing ultimately from Greek.

That is also common in Latin, especially for words connected with theater, rhetoric, philosophy, and the arts. For a learner, the main practical point is that even borrowed words still behave according to Latin grammar once they are in the sentence.

So here, whatever its origin, pantomimus is simply being declined like a regular second-declension masculine noun, giving pantomimi in the genitive singular.