Questions & Answers about En lydig hund kan luftes uten bånd.
Because hund is a common-gender noun in Norwegian, so it takes en in the indefinite singular: en hund.
A few related forms:
- en hund = a dog
- hunden = the dog
- hunder = dogs
- hundene = the dogs
If it were a neuter noun, it would take et, but hund is not neuter.
In Norwegian, adjectives change depending on gender, number, and definiteness. Here, hund is:
- singular
- indefinite
- common gender
In that pattern, many adjectives appear in their basic form, so you get en lydig hund.
Compare:
- en lydig hund = an obedient dog
- et lydig dyr = an obedient animal
- lydige hunder = obedient dogs
- den lydige hunden = the obedient dog
So lydig is the correct form here because it agrees with an indefinite singular common-gender noun.