kursen is the masculine singular definite of kurs.

kursN

Kven

kursiN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:40388Edit on GitHub Suggest

kursaN; gursaN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:26422Edit on GitHub Suggest

Case	Sg	Pl
Indef	kurs	kurser / kurs
Def	kursen / kurset	kursene / kursa