Ένα μυρμήγκι ανέβηκε στο τραπέζι, αλλά το τσίμπημα στο χέρι μου μάλλον είναι από κουνούπι.

Ένα is the indefinite article meaning a / an.

So ένα μυρμήγκι = an ant.

A few useful points:

• μυρμήγκι is neuter.
• The neuter singular indefinite article is ένα.
• Greek nouns have grammatical gender, so you learn the article together with the noun:
  • το μυρμήγκι = the ant
  • ένα μυρμήγκι = an ant

Because the speaker is mentioning the ant for the first time, the indefinite article is natural.

Ανέβηκε is the 3rd person singular aorist of ανεβαίνω.

Here it means something like:

• went up
• climbed up
• got onto

So:

• Ένα μυρμήγκι ανέβηκε στο τραπέζι = An ant climbed onto the table

Why the aorist? Because it describes a single completed event. The ant did the action, and that action is viewed as finished.

Compare:

• ανεβαίνει = is going up / goes up
• ανέβηκε = went up / climbed up

Because στο is the normal contraction of:

• σε + το = στο

So:

• στο τραπέζι = on the table / onto the table

This contraction is extremely common in Greek:

• σε + την = στην
• σε + το = στο
• σε + τον = στον

So στο τραπέζι is exactly what you would expect.

In this sentence, it most naturally means onto the table.

That is because the verb ανεβαίνω already contains the idea of upward movement, so the phrase suggests movement to that place rather than just location.

So:

• ανέβηκε στο τραπέζι = climbed onto the table / got up on the table

Even though στο can sometimes correspond to English on or to, the verb helps determine the meaning.

Το τσίμπημα means the bite or the sting, depending on context.

It comes from the verb:

• τσιμπάω / τσιμπώ = to bite / sting / prick / nip

In insect contexts, Greek often uses τσίμπημα quite broadly for the mark or sensation caused by an insect.

So here:

• το τσίμπημα = the bite / sting

A mosquito bite would very naturally be called τσίμπημα in Greek.

Μου means my here.

More literally, it is the genitive form of I and is used as a possessive clitic.

So:

• το χέρι = the hand
• το χέρι μου = my hand
• στο χέρι μου = on my hand

This is a very common Greek pattern:

• το βιβλίο μου = my book
• η φίλη μου = my friend
• το σπίτι μας = our house

Greek often expresses possession this way rather than with a separate adjective like English my.

Here μάλλον means probably or most likely.

So:

• μάλλον είναι από κουνούπι = it’s probably from a mosquito

This is a very common word, but it can be tricky because in other contexts it can also mean rather.

In this sentence, the meaning is clearly probably.

Because the speaker is talking about the current bite/sting as it exists now.

The sentence contrasts:

• a past event: the ant climbed onto the table
• a present conclusion: the bite on my hand is probably from a mosquito

So the logic is:

• The ant did climb onto the table.
• But the bite I have now is probably from a mosquito.

If you said ήταν, that would shift the bite into the past as well, which is not what this sentence is doing.

Greek often leaves out the article after από when talking about source, cause, or type, especially in everyday speech.

So:

• είναι από κουνούπι = it’s from a mosquito / it’s a mosquito bite

This sounds natural and general: the speaker is identifying the kind of insect that caused it, not a specific mosquito.

If you said:

• από ένα κουνούπι

that would sound more like from a particular mosquito, some mosquito, with slightly more emphasis on an individual insect.

So the article is omitted because the speaker is focusing on the cause/category, not a specific referent.

Αλλά means but.

It introduces a contrast:

• An ant climbed onto the table,
• but the bite on my hand is probably from a mosquito.

The contrast is logical rather than grammatical. The speaker is basically saying:

• Yes, there was an ant, but that probably isn’t what caused the bite.

So αλλά helps show that the second idea goes against what someone might first assume.

Yes. Both are neuter singular nouns.

That is why you get:

• ένα μυρμήγκι
• το μυρμήγκι
• κουνούπι
• το κουνούπι

This is useful because many Greek nouns ending in -ι are neuter, though you should not rely on endings alone in every case.

In this sentence:

• ένα μυρμήγκι = an ant
• από κουνούπι = from a mosquito

If the article were included, it would be από ένα κουνούπι or από το κουνούπι, depending on meaning.

The word order is natural, but not completely rigid.

The sentence is organized like this:

• το τσίμπημα = the subject
• στο χέρι μου = a phrase describing where the bite is
• μάλλον = probably
• είναι από κουνούπι = is from a mosquito

So the structure is roughly:

• The bite on my hand is probably from a mosquito.

Greek word order is more flexible than English, but this version sounds normal and clear.

Putting στο χέρι μου right after το τσίμπημα helps the listener immediately understand which bite the speaker means.