На кухне что‑то начало дымиться, потому что масло было слишком горячим.

In everyday Russian, на кухне is the normal idiomatic way to say in the kitchen.

A few notes:

• на
  • prepositional case is often used with places where activity happens, not just with literal surfaces.
• кухне is the prepositional singular form of кухня.
• в кухне is not impossible, but it sounds less natural in ordinary speech and more literal or stylistically marked.

So for a normal sentence like this, на кухне is what most learners should expect and use.

Что-то means something.

The hyphen appears because Russian often adds particles like -то, -нибудь, and -либо to pronouns and adverbs:

• что-то = something
• кто-то = someone
• где-то = somewhere

So here, что-то is an indefinite pronoun meaning that the speaker does not specify exactly what began to smoke.

Because что-то is grammatically neuter singular in Russian.

In the past tense, Russian verbs agree with the subject in gender and number:

• начал = masculine
• начала = feminine
• начало = neuter
• начали = plural

Since the subject is что-то, the verb must be начало.

After начать/начинать, Russian normally uses an infinitive to say that someone or something began to do something.

So the pattern is:

• начать + infinitive
• начало дымиться = began to smoke / started smoking

This is very similar to English began to smoke.

Дымиться means to be giving off smoke, to smoke, or to start smoking in the sense that the thing itself is producing smoke.

The -ся form here makes the verb work as an intransitive verb: the subject itself is in that state.

Compare:

• дымить — to emit smoke, to smoke, sometimes used about chimneys, factories, or a person smoking
• дымиться — to be smoking, to give off smoke

In this kitchen sentence, дымиться is the natural choice because the unspecified thing itself started smoking.

This is a question of aspect.

• начать → perfective
• начинать → imperfective

Here, начало comes from начать, the perfective verb. It focuses on the single event of the smoking starting.

That is exactly what the sentence describes: one moment when something began to smoke.

Начинало would be less natural here unless you wanted a different nuance, such as background description, repetition, or an unfinished process.

Потому что means because.

It introduces a subordinate clause, and in Russian such clauses are normally separated by a comma.

So the structure is:

• main clause: На кухне что-то начало дымиться
• subordinate clause: потому что масло было слишком горячим

That is why there is a comma before потому что.

Because масло is a neuter singular noun.

In the past tense, быть agrees with the subject:

• был = masculine
• была = feminine
• было = neuter
• были = plural

So:

• масло было

This is the same kind of agreement you saw earlier with что-то начало.

Here горячим is in the instrumental case.

After past or future forms of быть, Russian often uses the instrumental for the predicate adjective or noun, especially when describing a state or condition:

• масло было горячим
• он был уставшим
• она была довольной

So было слишком горячим is a very natural way to say that the oil was too hot.

You may sometimes see nominative forms in other contexts, but in this sentence горячим is the standard, natural choice.

Слишком means too, in the sense of more than is acceptable or safe.

Очень means very.

So:

• очень горячее/горячим = very hot
• слишком горячее/горячим = too hot

In this sentence, the oil was not just hot; it was excessively hot, which explains why something started smoking.

No, not exactly.

• дымиться = to smoke, to give off smoke
• гореть = to burn, to be on fire

Something can дымиться without fully гореть. For example, overheated oil or food can start producing smoke before there are actual flames.

So начало дымиться fits this kitchen situation very well.

No. Russian word order is fairly flexible.

This sentence starts with На кухне to set the scene first: in the kitchen.

You could also say:

• Что-то начало дымиться на кухне, потому что масло было слишком горячим.

That would still be grammatical, but the emphasis changes slightly. The original version sounds natural because it introduces the location first and then the event.