Questions & Answers about Kommóðan er þung, svo ég ber hana ekki einn.
Kommóða is the base (dictionary) form: kommóða = a chest of drawers (feminine). In the sentence you have kommóðan, which is kommóða + -n, the definite form: the chest of drawers. So:
- kommóða = a chest of drawers
- kommóðan = the chest of drawers
Kommóðan is nominative singular definite (feminine). It’s nominative because it’s the subject of the clause: it’s the thing being described as heavy (er þung).
Adjectives agree with the noun in gender, number, and case. Kommóða is feminine singular nominative, so the adjective is:
- masculine: þungur
- feminine: þung
- neuter: þungt
Here you need the feminine form: kommóðan er þung.