Fyrri kennarinn býr hér.

Fyrri is already the form you need here. It is the comparative adjective meaning earlier, former, or the earlier one.

In this sentence, it modifies kennarinn and must match it in:

• gender: masculine
• number: singular
• case: nominative
• definiteness: weak form, because the noun is definite

So fyrri kennarinn means something like the former teacher or the earlier teacher.

The -inn is the definite article attached to the noun. Icelandic usually puts the at the end of the noun instead of using a separate word.

So:

• kennari = teacher
• kennarinn = the teacher

This is very common in Icelandic:

• hestur = horse
• hesturinn = the horse

That is the normal position for many descriptive adjectives in Icelandic, just as in English.

So:

• fyrri kennarinn = the former teacher

Icelandic adjectives usually come before the noun they describe:

• góður maður = a good man
• gamla húsið = the old house

Some Icelandic adjective forms do not look very different across genders in certain patterns. Fyrri belongs to a comparative pattern, and its form here is the correct weak nominative singular masculine form.

Because kennarinn is:

• masculine
• singular
• nominative
• definite

the adjective takes the matching weak form fyrri.

This is one of those cases where the form is simply something you learn as part of the adjective’s declension pattern.

In Icelandic, adjectives are often weak when they are used with a definite noun.

Since kennarinn means the teacher, the noun is definite, so the adjective also appears in the weak form:

• fyrri kennari = an earlier/former teacher
• fyrri kennarinn = the former teacher

A very common rule of thumb is:

• indefinite noun → often strong adjective
• definite noun → often weak adjective

Býr is the 3rd person singular present tense of the verb að búa, meaning to live, to reside, or in some contexts to dwell.

It matches the subject fyrri kennarinn, which is he/she/it grammatically in third person singular:

• ég bý = I live
• þú býrð = you live
• hann/hún býr = he/she lives

The -r is a normal present-tense ending in this form.

Because Icelandic, like English, does not need an extra helper verb here.

The verb býr already means lives. So the whole sentence is structured very simply:

• Fyrri kennarinn = the former teacher
• býr = lives
• hér = here

Unlike some English questions or emphatic forms, a basic statement in Icelandic does not need an extra word like does.

Hér means here, specifically a location.

It answers the question where?

So:

• býr hér = lives here

A useful contrast is:

• hér = here, in this place
• hingað = to here, to this place

So if someone already lives in a place, you use hér, not hingað.

This sentence uses the most straightforward word order:

• subject + verb + adverb
• Fyrri kennarinn býr hér

That is very natural in Icelandic.

However, Icelandic can move elements around more than English, especially for emphasis or in V2 structures. Even so, this basic order is what learners should expect first in a simple statement.

The letter ý is pronounced like long i in many modern Icelandic pronunciations, roughly similar to ee in English see, though you should not expect it to sound exactly the same as English.

So býr sounds approximately like:

• beer with an Icelandic r

Also remember:

• Icelandic r is trilled or tapped
• vowel length depends on the sound environment, not just the accent mark

The accent mark in ý shows that it is a distinct vowel letter, not just a stressed version of y.

Yes. The exact English translation depends on context.

With a noun like teacher, fyrri often means:

• former
• previous
• earlier

So fyrri kennarinn could be understood as:

• the former teacher
• the earlier teacher
• the previous teacher

Context tells you which English wording sounds best.

Yes. The noun kennari can refer to a teacher of any gender.

What matters grammatically here is that kennari is a masculine noun, so the adjective agrees with the noun’s grammatical gender, not necessarily the person’s biological sex.

So fyrri kennarinn could refer to:

• a male teacher
• a female teacher

This is an important idea in Icelandic: grammatical gender is not always the same as real-world gender.

Because hér is an adverb, not a noun or adjective. Adverbs do not decline for case the way nouns, adjectives, and pronouns do.

So hér stays the same regardless of the subject:

• Ég bý hér = I live here
• Hún býr hér = She lives here
• Kennarinn býr hér = The teacher lives here

That makes it much simpler than many Icelandic noun forms.