rugetidene is the feminine plural definite of rugetid.

rugetidN

North Sámi

lállináigiN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:101321Edit on GitHub Suggest

Case	Sg	Pl
Indef	rugetid	rugetider
Def	rugetiden / rugetida	rugetidene