masterstudiet is the neuter singular definite of masterstudium.

masterstudiumN

Kven

maasteriopintoN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:110797Edit on GitHub Suggest

masteroahppuN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:195968Edit on GitHub Suggest

Case	Sg	Pl
Indef	masterstudium	masterstudier
Def	masterstudiet	masterstudiene