Questions & Answers about Áburðurinn er hér.
In Icelandic, the definite article is very often a suffix, not a separate word like English the.
So:
- áburður = fertilizer / manure
- áburðurinn = the fertilizer / the manure
The ending -inn is the masculine singular nominative definite article here. This is one of the first big differences English speakers notice in Icelandic.
The dictionary form is áburður.
That is the indefinite singular form, meaning fertilizer or manure, depending on context.
When you add the definite article, it becomes:
- áburður = fertilizer
- áburðurinn = the fertilizer
If you look the word up in a dictionary, you would usually search for áburður, not áburðurinn.
Because the sentence is talking about a specific, known thing: the fertilizer.
Compare:
- Áburður er hér. = Fertilizer is here / There is fertilizer here
- Áburðurinn er hér. = The fertilizer is here
So the version with -inn is more specific and definite.