forhistorier is the feminine plural indefinite of forhistorie.

forhistorieN

North Sámi

ovdahistorjáN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:38821Edit on GitHub Suggest

Case	Sg	Pl
Indef	forhistorie	forhistorier
Def	forhistorien / forhistoria	forhistoriene