Dagmulkten er høy.

Because Norwegian usually writes compound nouns as a single word. Here, dag + mulkt combine to form dagmulkt.

This is very normal in Norwegian. English often uses two words where Norwegian prefers one.

The -en is the definite ending, so it works like English the.

• en dagmulkt = a daily fine / penalty
• dagmulkten = the daily fine / penalty

So Norwegian often puts definiteness at the end of the noun instead of using a separate word before it.

Because Norwegian commonly attaches the to the noun as a suffix.

So instead of saying something like the dagmulkt, Norwegian says dagmulkten.

This is one of the biggest differences from English noun grammar.

Because dagmulkt is not a neuter noun. Nouns of this type take -en in the definite singular.

A simple way to think of it:

• nouns like this: -en
• neuter nouns: often -et

So dagmulkten is the correct definite form.

Er is the present tense of å være, which means to be.

It works like English is / am / are, but Norwegian uses the same present-tense form for all persons:

• jeg er
• du er
• han er
• vi er

So in this sentence, er simply means is.

Because the adjective agrees with the noun.

Here, dagmulkten is singular and non-neuter, so the correct form is høy.

Compare:

• Dagmulkten er høy
• Huset er høyt
• Bøtene er høye

So:

• høy = singular non-neuter
• høyt = singular neuter
• høye = plural

Yes. This sentence follows the basic pattern:

subject + verb + adjective/complement

• Dagmulkten = subject
• er = verb
• høy = complement

So it is structurally very close to English: The daily fine is high.

Not if you want the same sentence structure.

Dagmulkten er høy is a full sentence.

If you move the adjective before the noun, you get a noun phrase instead:

den høye dagmulkten = the high daily fine

Notice that Norwegian then uses den as well. This is called double definiteness:

• dagmulkten = the daily fine
• den høye dagmulkten = the high daily fine

Yes. Høy is used not only for physical height, but also for amounts and levels.

So Norwegian naturally uses høy for things like:

• prices
• taxes
• fees
• fines
• interest rates
• costs

So Dagmulkten er høy sounds normal.

Not really. It is more formal and is especially common in legal, business, and contract language.

A native speaker would understand it, but it is not the kind of word you hear all the time in casual conversation.

A rough guide is:

DAHG-mulkt-en er høy

A few useful points:

• the stress is normally on the first part: DAGmulkten
• mulkt has a consonant cluster that may feel difficult for English speakers
• høy has a vowel sound that does not match a typical English vowel exactly

If pronunciation matters, hearing native audio is much better than relying only on spelling.