sagatidene is the feminine plural definite of sagatid.

sagatidN

North Sámi

ságaáigiN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:104434Edit on GitHub Suggest

Case	Sg	Pl
Indef	sagatid	sagatider
Def	sagatiden / sagatida	sagatidene