Sekizinci katta çalışıyorum.

Sekizinci means eighth.

It comes from sekiz (eight) + the ordinal suffix -inci / -ıncı / -üncü / -uncu, chosen by vowel harmony.

• sekiz = eight
• sekizinci = eighth

So in this sentence, sekizinci kat means the eighth floor.

Because Turkish uses:

• cardinal numbers for quantity: sekiz kat = eight floors / eight stories
• ordinal numbers for order/position: sekizinci kat = the eighth floor

So if you mean one specific floor in a building, you need sekizinci.

Katta means on the floor / on that floor.

It comes from:

• kat = floor, story
• -ta / -te / -da / -de = the locative suffix, meaning in / on / at

So:

• kat = floor
• katta = on the floor

In this sentence, sekizinci katta means on the eighth floor.

Because the noun is kat, and the locative suffix here is -ta.

So:

• kat
  • -ta → katta

The two t sounds come together in spelling, so you get katta.

This is completely normal in Turkish when a word ending in t takes a suffix beginning with t.

The locative suffix changes shape for two reasons:

1. Vowel harmony
   It becomes -da / -ta after back vowels, and -de / -te after front vowels.

2. Consonant harmony
   It becomes -ta / -te after a voiceless consonant like t, k, p, ç, s, ş, f, h.

Since kat:

• has the back vowel a
• ends in the voiceless consonant t

the correct form is -ta.

So:

• kat
  • -ta = katta

Because Turkish often uses the locative suffix instead of separate prepositions like English does.

English distinguishes:

• in
• on
• at

Turkish often uses the same suffix -de / -da / -te / -ta for all of these, depending on context.

So sekizinci katta literally works like:

• at the eighth floor
• on the eighth floor

In natural English, we translate it as on the eighth floor.

Çalışıyorum means I am working or I work, depending on context.

It is built from:

• çalış- = work / study
• -ıyor = present continuous marker
• -um = I

So:

• çalışıyorum = I am working / I work

In this sentence, the natural translation is usually I work on the eighth floor, but in the right context it could also mean I’m working on the eighth floor.

Because Turkish often uses the present continuous form for both:

• something happening right now
• a current or regular situation

So çalışıyorum can mean:

• I am working
• I work

The exact meaning depends on context.

For example:

• Şu an çalışıyorum. = I’m working right now.
• Bir bankada çalışıyorum. = I work at a bank.

In Sekizinci katta çalışıyorum, it most naturally means I work on the eighth floor.

Because Turkish usually omits the subject pronoun when it is already clear from the verb ending.

Here, -um in çalışıyorum already tells you the subject is I.

So:

• çalışıyorum = I am working / I work

You could say:

• Ben sekizinci katta çalışıyorum.

But that usually adds emphasis, like:

• I work on the eighth floor.

Without ben, the sentence is more neutral and natural.

Because Turkish usually puts the verb at the end of the sentence.

So the structure here is roughly:

• sekizinci katta = on the eighth floor
• çalışıyorum = I work / am working

This word order is very typical in Turkish.

A very literal gloss would be:

• On the eighth floor I work.

That sounds unusual in English, but it is normal in Turkish.

It can mean both, depending on context.

• çalışmak = to work
• çalışmak = to study

For example:

• Ofiste çalışıyorum. = I work in an office.
• Sınava çalışıyorum. = I’m studying for the exam.

In Sekizinci katta çalışıyorum, the context strongly suggests work, not study, because it refers to a floor in a building.

A simple pronunciation guide is:

seh-kee-ZEEN-jee kat-TA cha-luh-SHUH-yo-room

A few helpful notes:

• c in Turkish sounds like j in jam
• ç sounds like ch in chair
• ş sounds like sh
• ı is a vowel that does not exist in English; it sounds a bit like the vowel in sofa but farther back in the mouth
• ğ is not in this sentence, so you do not need to worry about it here

Yes, it could, depending on context.

By itself, çalışıyorum can describe:

• a general situation: I work on the eighth floor
• something happening now: I’m working on the eighth floor

If someone asks:

• Neredesin? = Where are you?

then Sekizinci katta çalışıyorum might mean:

• I’m working on the eighth floor.

If you are describing your job, it will more likely mean:

• I work on the eighth floor.