Gestur dan mimiknya mendukung interpretasi.

In mimiknya, -nya is a possessive suffix meaning his/her/their or sometimes the depending on context.

So:

• mimik = facial expression
• mimiknya = his/her facial expression, their facial expression, or the facial expression

In this sentence, it most naturally means something like his/her facial expression or their facial expression, depending on the wider context.

Indonesian often shows possession by attaching a suffix directly to the noun.

For example:

• buku saya = my book
• bukunya = his/her/the book

So instead of using a separate possessive pronoun, Indonesian very often uses -nya. This is extremely common in natural Indonesian.

In Indonesian, when two nouns are linked and only the second one has -nya, that possessive can apply to the whole phrase.

So:

• Gestur dan mimiknya can be understood as his/her gestures and facial expressions

Indonesian often avoids repeating the possessive if it is already clear.

Compare:

• gesturnya dan mimiknya = his/her gestures and his/her facial expressions
• gestur dan mimiknya = also commonly understood the same way in context

The version in your sentence is natural and less repetitive.

No. Even though they look similar, mimik in Indonesian usually means facial expression.

So:

• mimik = facial expression
• gestur = gesture

Together, gestur dan mimik often refer to body language and facial expression.

Mendukung means to support.

It comes from the root dukung, and the prefix meN- turns it into an active verb:

• dukung = support
• mendukung = to support / support(s)

In this sentence, it means that the gestures and facial expression help support or reinforce the interpretation.

Because mendukung is the normal active verb form used in a full sentence.

Indonesian often uses meN- verbs when the subject is doing the action:

• Saya membaca buku. = I read a book.
• Dia mendukung ide itu. = He/she supports that idea.

Using just dukung would not sound right here as the main verb in a standard sentence.

Interpretasi means interpretation. It is a borrowed word and is fairly formal or academic in tone.

In everyday speech, people might also use other expressions depending on context, but interpretasi is perfectly normal, especially in writing, analysis, education, linguistics, performance, or media discussion.

Indonesian does not have articles like a, an, and the in the same way English does.

So a sentence like:

• Gestur dan mimiknya mendukung interpretasi.

can mean:

• The gestures and facial expression support the interpretation
• His/her gestures and facial expression support an interpretation

The exact meaning depends on context.

This is very normal in Indonesian: nouns often appear without articles, and context tells you whether they are definite or indefinite.

This is the standard Indonesian order:

Subject + Verb + Object

So here:

• Gestur dan mimiknya = subject
• mendukung = verb
• interpretasi = object

That is very similar to English word order:

• His/her gestures and facial expression support the interpretation

Yes, depending on context, but the most natural reading is singular or uncountable.

Indonesian nouns usually do not change form for singular vs. plural. If needed, plurality can be shown through context, numbers, or reduplication.

So interpretasi could mean:

• interpretation
• interpretations

But without extra clues, learners usually read it as interpretation.

Because Indonesian usually does not require plural marking when the meaning is already clear.

So:

• gestur can mean gesture or gestures
• mimiknya can mean facial expression or facial expressions, depending on context

If a speaker wants to clearly show plurality, they might use reduplication or another clue, but it is often unnecessary.

Yes, you could.

That version makes the possession more explicit on both nouns:

• Gesturnya dan mimiknya = his/her gestures and his/her facial expression

But Indonesian often avoids repeating markers if the meaning is already clear, so Gestur dan mimiknya is also natural.

It sounds neutral to somewhat formal.

Reasons:

• gestur and mimik are normal descriptive words
• interpretasi is a bit more formal or analytical
• the sentence structure is standard and written-like

It would fit well in contexts like literary analysis, acting, communication studies, or commentary on someone’s performance.

Depending on context, natural English versions could be:

• His gestures and facial expression support the interpretation.
• Their gestures and facial expressions support the interpretation.
• The gestures and facial expression help support the interpretation.
• The body language and facial expression reinforce the interpretation.

The best translation depends on who -nya refers to and whether gestur and mimik are singular or plural in context.

A rough guide:

• gestur ≈ GES-toor
• dan ≈ dahn
• mimiknya ≈ MEE-mik-nya
• mendukung ≈ men-doo-DOONG
• interpretasi ≈ in-ter-pre-ta-si

A few useful notes:

• u is usually like oo in food
• i is usually like ee in see
• ny is like the ny sound in canyon

So -nya is not pronounced like English nya in a very strong way, but as a smooth nya sound.

It is a borrowed word, but it is fully normal in Indonesian. Indonesian contains many borrowed words from Dutch, Sanskrit, Arabic, Portuguese, and English, among other sources.

For a learner, the important point is that gestur is a standard Indonesian noun meaning gesture and is commonly used in writing and speech.