fornorskingstida is the feminine singular definite of fornorskingstid.

fornorskingstidN

North Sámi

dáruiduhttináigiN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:732Edit on GitHub Suggest

Case	Sg	Pl
Indef	fornorskingstid	fornorskingstider
Def	fornorskingstiden / fornorskingstida	fornorskingstidene